156717520

素因数分解:

$2^4\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3517}}^1$

素因数の和:4087

約数の個数: 40

約数和(自身を含む): 365126184

約数和(自身を除く): 208408664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 557, 1114, 2228, 2785, 3517, 4456, 5570, 7034, 8912, 11140, 14068, 17585, 22280, 28136, 35170, 44560, 56272, 70340, 140680, 281360, 1958969, 3917938, 7835876, 9794845, 15671752, 19589690, 31343504, 39179380, 78358760, 156717520]

約数ペア:

[(1, 156717520), (2, 78358760), (4, 39179380), (5, 31343504), (8, 19589690), (10, 15671752), (16, 9794845), (20, 7835876), (40, 3917938), (80, 1958969), (557, 281360), (1114, 140680), (2228, 70340), (2785, 56272), (3517, 44560), (4456, 35170), (5570, 28136), (7034, 22280), (8912, 17585), (11140, 14068)]