2512266640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127139}}^1$

素因数の和:127184

約数の個数: 80

約数和(自身を含む): 6621451200

約数和(自身を除く): 4109184560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 127139, 254278, 508556, 635695, 1017112, 1271390, 1652807, 2034224, 2415641, 2542780, 3305614, 4831282, 5085560, 6611228, 8264035, 9662564, 10171120, 12078205, 13222456, 16528070, 19325128, 24156410, 26444912, 31403333, 33056140, 38650256, 48312820, 62806666, 66112280, 96625640, 125613332, 132224560, 157016665, 193251280, 251226664, 314033330, 502453328, 628066660, 1256133320, 2512266640]

約数ペア:

[(1, 2512266640), (2, 1256133320), (4, 628066660), (5, 502453328), (8, 314033330), (10, 251226664), (13, 193251280), (16, 157016665), (19, 132224560), (20, 125613332), (26, 96625640), (38, 66112280), (40, 62806666), (52, 48312820), (65, 38650256), (76, 33056140), (80, 31403333), (95, 26444912), (104, 24156410), (130, 19325128), (152, 16528070), (190, 13222456), (208, 12078205), (247, 10171120), (260, 9662564), (304, 8264035), (380, 6611228), (494, 5085560), (520, 4831282), (760, 3305614), (988, 2542780), (1040, 2415641), (1235, 2034224), (1520, 1652807), (1976, 1271390), (2470, 1017112), (3952, 635695), (4940, 508556), (9880, 254278), (19760, 127139)]