90442180

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{27743}}^1$

素因数の和:27915

約数の個数: 24

約数和(自身を含む): 191100672

約数和(自身を除く): 100658492

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 27743, 55486, 110972, 138715, 277430, 554860, 4522109, 9044218, 18088436, 22610545, 45221090, 90442180]

約数ペア:

[(1, 90442180), (2, 45221090), (4, 22610545), (5, 18088436), (10, 9044218), (20, 4522109), (163, 554860), (326, 277430), (652, 138715), (815, 110972), (1630, 55486), (3260, 27743)]