89279620

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{28433}}^1$

素因数の和:28599

約数の個数: 24

約数和(自身を含む): 188688024

約数和(自身を除く): 99408404

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 28433, 56866, 113732, 142165, 284330, 568660, 4463981, 8927962, 17855924, 22319905, 44639810, 89279620]

約数ペア:

[(1, 89279620), (2, 44639810), (4, 22319905), (5, 17855924), (10, 8927962), (20, 4463981), (157, 568660), (314, 284330), (628, 142165), (785, 113732), (1570, 56866), (3140, 28433)]