40393600

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1008

約数の個数: 96

約数和(自身を含む): 107571240

約数和(自身を除く): 67177640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 640, 650, 800, 832, 971, 1040, 1300, 1600, 1664, 1942, 2080, 2600, 3200, 3884, 4160, 4855, 5200, 7768, 8320, 9710, 10400, 12623, 15536, 19420, 20800, 24275, 25246, 31072, 38840, 41600, 48550, 50492, 62144, 63115, 77680, 97100, 100984, 124288, 126230, 155360, 194200, 201968, 252460, 310720, 315575, 388400, 403936, 504920, 621440, 631150, 776800, 807872, 1009840, 1262300, 1553600, 1615744, 2019680, 2524600, 3107200, 4039360, 5049200, 8078720, 10098400, 20196800, 40393600]

約数ペア:

[(1, 40393600), (2, 20196800), (4, 10098400), (5, 8078720), (8, 5049200), (10, 4039360), (13, 3107200), (16, 2524600), (20, 2019680), (25, 1615744), (26, 1553600), (32, 1262300), (40, 1009840), (50, 807872), (52, 776800), (64, 631150), (65, 621440), (80, 504920), (100, 403936), (104, 388400), (128, 315575), (130, 310720), (160, 252460), (200, 201968), (208, 194200), (260, 155360), (320, 126230), (325, 124288), (400, 100984), (416, 97100), (520, 77680), (640, 63115), (650, 62144), (800, 50492), (832, 48550), (971, 41600), (1040, 38840), (1300, 31072), (1600, 25246), (1664, 24275), (1942, 20800), (2080, 19420), (2600, 15536), (3200, 12623), (3884, 10400), (4160, 9710), (4855, 8320), (5200, 7768)]