20166440960

素因数分解:

$2^{11}\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3449}}^1$

素因数の和:4047

約数の個数: 96

約数和(自身を含む): 48486438000

約数和(自身を除く): 28319997040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 571, 640, 1024, 1142, 1280, 2048, 2284, 2560, 2855, 3449, 4568, 5120, 5710, 6898, 9136, 10240, 11420, 13796, 17245, 18272, 22840, 27592, 34490, 36544, 45680, 55184, 68980, 73088, 91360, 110368, 137960, 146176, 182720, 220736, 275920, 292352, 365440, 441472, 551840, 584704, 730880, 882944, 1103680, 1169408, 1461760, 1765888, 1969379, 2207360, 2923520, 3531776, 3938758, 4414720, 5847040, 7063552, 7877516, 8829440, 9846895, 15755032, 17658880, 19693790, 31510064, 35317760, 39387580, 63020128, 78775160, 126040256, 157550320, 252080512, 315100640, 504161024, 630201280, 1008322048, 1260402560, 2016644096, 2520805120, 4033288192, 5041610240, 10083220480, 20166440960]

約数ペア:

[(1, 20166440960), (2, 10083220480), (4, 5041610240), (5, 4033288192), (8, 2520805120), (10, 2016644096), (16, 1260402560), (20, 1008322048), (32, 630201280), (40, 504161024), (64, 315100640), (80, 252080512), (128, 157550320), (160, 126040256), (256, 78775160), (320, 63020128), (512, 39387580), (571, 35317760), (640, 31510064), (1024, 19693790), (1142, 17658880), (1280, 15755032), (2048, 9846895), (2284, 8829440), (2560, 7877516), (2855, 7063552), (3449, 5847040), (4568, 4414720), (5120, 3938758), (5710, 3531776), (6898, 2923520), (9136, 2207360), (10240, 1969379), (11420, 1765888), (13796, 1461760), (17245, 1169408), (18272, 1103680), (22840, 882944), (27592, 730880), (34490, 584704), (36544, 551840), (45680, 441472), (55184, 365440), (68980, 292352), (73088, 275920), (91360, 220736), (110368, 182720), (137960, 146176)]