156712840

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{12517}}^1$

素因数の和:12841

約数の個数: 32

約数和(自身を含む): 353758680

約数和(自身を除く): 197045840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12517, 12520, 25034, 50068, 62585, 100136, 125170, 250340, 500680, 3917821, 7835642, 15671284, 19589105, 31342568, 39178210, 78356420, 156712840]

約数ペア:

[(1, 156712840), (2, 78356420), (4, 39178210), (5, 31342568), (8, 19589105), (10, 15671284), (20, 7835642), (40, 3917821), (313, 500680), (626, 250340), (1252, 125170), (1565, 100136), (2504, 62585), (3130, 50068), (6260, 25034), (12517, 12520)]