136737640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{262957}}^1$

素因数の和:262981

約数の個数: 32

約数和(自身を含む): 331327080

約数和(自身を除く): 194589440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 262957, 525914, 1051828, 1314785, 2103656, 2629570, 3418441, 5259140, 6836882, 10518280, 13673764, 17092205, 27347528, 34184410, 68368820, 136737640]

約数ペア:

[(1, 136737640), (2, 68368820), (4, 34184410), (5, 27347528), (8, 17092205), (10, 13673764), (13, 10518280), (20, 6836882), (26, 5259140), (40, 3418441), (52, 2629570), (65, 2103656), (104, 1314785), (130, 1051828), (260, 525914), (520, 262957)]