90038780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{346303}}^1$

素因数の和:346325

約数の個数: 24

約数和(自身を含む): 203626752

約数和(自身を除く): 113587972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 346303, 692606, 1385212, 1731515, 3463030, 4501939, 6926060, 9003878, 18007756, 22509695, 45019390, 90038780]

約数ペア:

[(1, 90038780), (2, 45019390), (4, 22509695), (5, 18007756), (10, 9003878), (13, 6926060), (20, 4501939), (26, 3463030), (52, 1731515), (65, 1385212), (130, 692606), (260, 346303)]