20345446400

素因数分解:

$2^{13}\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2423}}^1$

素因数の和:2500

約数の個数: 168

約数和(自身を含む): 51705534384

約数和(自身を除く): 31360087984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 256, 320, 328, 400, 410, 512, 640, 656, 800, 820, 1024, 1025, 1280, 1312, 1600, 1640, 2048, 2050, 2423, 2560, 2624, 3200, 3280, 4096, 4100, 4846, 5120, 5248, 6400, 6560, 8192, 8200, 9692, 10240, 10496, 12115, 12800, 13120, 16400, 19384, 20480, 20992, 24230, 25600, 26240, 32800, 38768, 40960, 41984, 48460, 51200, 52480, 60575, 65600, 77536, 83968, 96920, 99343, 102400, 104960, 121150, 131200, 155072, 167936, 193840, 198686, 204800, 209920, 242300, 262400, 310144, 335872, 387680, 397372, 419840, 484600, 496715, 524800, 620288, 775360, 794744, 839680, 969200, 993430, 1049600, 1240576, 1550720, 1589488, 1679360, 1938400, 1986860, 2099200, 2481152, 2483575, 3101440, 3178976, 3876800, 3973720, 4198400, 4962304, 4967150, 6202880, 6357952, 7753600, 7947440, 8396800, 9924608, 9934300, 12405760, 12715904, 15507200, 15894880, 19849216, 19868600, 24811520, 25431808, 31014400, 31789760, 39737200, 49623040, 50863616, 62028800, 63579520, 79474400, 99246080, 101727232, 124057600, 127159040, 158948800, 203454464, 248115200, 254318080, 317897600, 406908928, 496230400, 508636160, 635795200, 813817856, 1017272320, 1271590400, 2034544640, 2543180800, 4069089280, 5086361600, 10172723200, 20345446400]

約数ペア:

[(1, 20345446400), (2, 10172723200), (4, 5086361600), (5, 4069089280), (8, 2543180800), (10, 2034544640), (16, 1271590400), (20, 1017272320), (25, 813817856), (32, 635795200), (40, 508636160), (41, 496230400), (50, 406908928), (64, 317897600), (80, 254318080), (82, 248115200), (100, 203454464), (128, 158948800), (160, 127159040), (164, 124057600), (200, 101727232), (205, 99246080), (256, 79474400), (320, 63579520), (328, 62028800), (400, 50863616), (410, 49623040), (512, 39737200), (640, 31789760), (656, 31014400), (800, 25431808), (820, 24811520), (1024, 19868600), (1025, 19849216), (1280, 15894880), (1312, 15507200), (1600, 12715904), (1640, 12405760), (2048, 9934300), (2050, 9924608), (2423, 8396800), (2560, 7947440), (2624, 7753600), (3200, 6357952), (3280, 6202880), (4096, 4967150), (4100, 4962304), (4846, 4198400), (5120, 3973720), (5248, 3876800), (6400, 3178976), (6560, 3101440), (8192, 2483575), (8200, 2481152), (9692, 2099200), (10240, 1986860), (10496, 1938400), (12115, 1679360), (12800, 1589488), (13120, 1550720), (16400, 1240576), (19384, 1049600), (20480, 993430), (20992, 969200), (24230, 839680), (25600, 794744), (26240, 775360), (32800, 620288), (38768, 524800), (40960, 496715), (41984, 484600), (48460, 419840), (51200, 397372), (52480, 387680), (60575, 335872), (65600, 310144), (77536, 262400), (83968, 242300), (96920, 209920), (99343, 204800), (102400, 198686), (104960, 193840), (121150, 167936), (131200, 155072)]