23217640

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2207}}^1$

素因数の和:2481

約数の個数: 32

約数和(自身を含む): 52462080

約数和(自身を除く): 29244440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2207, 2630, 4414, 5260, 8828, 10520, 11035, 17656, 22070, 44140, 88280, 580441, 1160882, 2321764, 2902205, 4643528, 5804410, 11608820, 23217640]

約数ペア:

[(1, 23217640), (2, 11608820), (4, 5804410), (5, 4643528), (8, 2902205), (10, 2321764), (20, 1160882), (40, 580441), (263, 88280), (526, 44140), (1052, 22070), (1315, 17656), (2104, 11035), (2207, 10520), (2630, 8828), (4414, 5260)]