90292220

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{27697}}^1$

素因数の和:27869

約数の個数: 24

約数和(自身を含む): 190783824

約数和(自身を除く): 100491604

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 27697, 55394, 110788, 138485, 276970, 553940, 4514611, 9029222, 18058444, 22573055, 45146110, 90292220]

約数ペア:

[(1, 90292220), (2, 45146110), (4, 22573055), (5, 18058444), (10, 9029222), (20, 4514611), (163, 553940), (326, 276970), (652, 138485), (815, 110788), (1630, 55394), (3260, 27697)]