16211251480

素因数分解:

$2^3\times 5^1\times {\mathrm{11981}}^1\times {\mathrm{33827}}^1$

素因数の和:45819

約数の個数: 32

約数和(自身を含む): 36479438640

約数和(自身を除く): 20268187160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 11981, 23962, 33827, 47924, 59905, 67654, 95848, 119810, 135308, 169135, 239620, 270616, 338270, 479240, 676540, 1353080, 405281287, 810562574, 1621125148, 2026406435, 3242250296, 4052812870, 8105625740, 16211251480]

約数ペア:

[(1, 16211251480), (2, 8105625740), (4, 4052812870), (5, 3242250296), (8, 2026406435), (10, 1621125148), (20, 810562574), (40, 405281287), (11981, 1353080), (23962, 676540), (33827, 479240), (47924, 338270), (59905, 270616), (67654, 239620), (95848, 169135), (119810, 135308)]