237640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 577080

約数和(自身を除く): 339440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 457, 520, 914, 1828, 2285, 3656, 4570, 5941, 9140, 11882, 18280, 23764, 29705, 47528, 59410, 118820, 237640]

約数ペア:

[(1, 237640), (2, 118820), (4, 59410), (5, 47528), (8, 29705), (10, 23764), (13, 18280), (20, 11882), (26, 9140), (40, 5941), (52, 4570), (65, 3656), (104, 2285), (130, 1828), (260, 914), (457, 520)]