56680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1$

素因数の和:133

約数の個数: 32

約数和(自身を含む): 138600

約数和(自身を除く): 81920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 109, 130, 218, 260, 436, 520, 545, 872, 1090, 1417, 2180, 2834, 4360, 5668, 7085, 11336, 14170, 28340, 56680]

約数ペア:

[(1, 56680), (2, 28340), (4, 14170), (5, 11336), (8, 7085), (10, 5668), (13, 4360), (20, 2834), (26, 2180), (40, 1417), (52, 1090), (65, 872), (104, 545), (109, 520), (130, 436), (218, 260)]