61331140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{235889}}^1$

素因数の和:235911

約数の個数: 24

約数和(自身を含む): 138703320

約数和(自身を除く): 77372180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 235889, 471778, 943556, 1179445, 2358890, 3066557, 4717780, 6133114, 12266228, 15332785, 30665570, 61331140]

約数ペア:

[(1, 61331140), (2, 30665570), (4, 15332785), (5, 12266228), (10, 6133114), (13, 4717780), (20, 3066557), (26, 2358890), (52, 1179445), (65, 943556), (130, 471778), (260, 235889)]