56528680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108709}}^1$

素因数の和:108733

約数の個数: 32

約数和(自身を含む): 136974600

約数和(自身を除く): 80445920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 108709, 217418, 434836, 543545, 869672, 1087090, 1413217, 2174180, 2826434, 4348360, 5652868, 7066085, 11305736, 14132170, 28264340, 56528680]

約数ペア:

[(1, 56528680), (2, 28264340), (4, 14132170), (5, 11305736), (8, 7066085), (10, 5652868), (13, 4348360), (20, 2826434), (26, 2174180), (40, 1413217), (52, 1087090), (65, 869672), (104, 543545), (130, 434836), (260, 217418), (520, 108709)]