8557640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2351}}^1$

素因数の和:2382

約数の個数: 64

約数和(自身を含む): 23708160

約数和(自身を除く): 15150520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 2351, 3640, 4702, 9404, 11755, 16457, 18808, 23510, 30563, 32914, 47020, 61126, 65828, 82285, 94040, 122252, 131656, 152815, 164570, 213941, 244504, 305630, 329140, 427882, 611260, 658280, 855764, 1069705, 1222520, 1711528, 2139410, 4278820, 8557640]

約数ペア:

[(1, 8557640), (2, 4278820), (4, 2139410), (5, 1711528), (7, 1222520), (8, 1069705), (10, 855764), (13, 658280), (14, 611260), (20, 427882), (26, 329140), (28, 305630), (35, 244504), (40, 213941), (52, 164570), (56, 152815), (65, 131656), (70, 122252), (91, 94040), (104, 82285), (130, 65828), (140, 61126), (182, 47020), (260, 32914), (280, 30563), (364, 23510), (455, 18808), (520, 16457), (728, 11755), (910, 9404), (1820, 4702), (2351, 3640)]