10878920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20921}}^1$

素因数の和:20945

約数の個数: 32

約数和(自身を含む): 26361720

約数和(自身を除く): 15482800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 20921, 41842, 83684, 104605, 167368, 209210, 271973, 418420, 543946, 836840, 1087892, 1359865, 2175784, 2719730, 5439460, 10878920]

約数ペア:

[(1, 10878920), (2, 5439460), (4, 2719730), (5, 2175784), (8, 1359865), (10, 1087892), (13, 836840), (20, 543946), (26, 418420), (40, 271973), (52, 209210), (65, 167368), (104, 104605), (130, 83684), (260, 41842), (520, 20921)]