123625840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4099}}^1$

素因数の和:4154

約数の個数: 80

約数和(自身を含む): 320292000

約数和(自身を除く): 196666160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 1040, 1160, 1508, 1885, 2320, 3016, 3770, 4099, 6032, 7540, 8198, 15080, 16396, 20495, 30160, 32792, 40990, 53287, 65584, 81980, 106574, 118871, 163960, 213148, 237742, 266435, 327920, 426296, 475484, 532870, 594355, 852592, 950968, 1065740, 1188710, 1545323, 1901936, 2131480, 2377420, 3090646, 4262960, 4754840, 6181292, 7726615, 9509680, 12362584, 15453230, 24725168, 30906460, 61812920, 123625840]

約数ペア:

[(1, 123625840), (2, 61812920), (4, 30906460), (5, 24725168), (8, 15453230), (10, 12362584), (13, 9509680), (16, 7726615), (20, 6181292), (26, 4754840), (29, 4262960), (40, 3090646), (52, 2377420), (58, 2131480), (65, 1901936), (80, 1545323), (104, 1188710), (116, 1065740), (130, 950968), (145, 852592), (208, 594355), (232, 532870), (260, 475484), (290, 426296), (377, 327920), (464, 266435), (520, 237742), (580, 213148), (754, 163960), (1040, 118871), (1160, 106574), (1508, 81980), (1885, 65584), (2320, 53287), (3016, 40990), (3770, 32792), (4099, 30160), (6032, 20495), (7540, 16396), (8198, 15080)]