90398540

素因数分解:

$2^2\times 5^1\times {\mathrm{1429}}^1\times {\mathrm{3163}}^1$

素因数の和:4601

約数の個数: 24

約数和(自身を含む): 190029840

約数和(自身を除く): 99631300

約数列:

[1, 2, 4, 5, 10, 20, 1429, 2858, 3163, 5716, 6326, 7145, 12652, 14290, 15815, 28580, 31630, 63260, 4519927, 9039854, 18079708, 22599635, 45199270, 90398540]

約数ペア:

[(1, 90398540), (2, 45199270), (4, 22599635), (5, 18079708), (10, 9039854), (20, 4519927), (1429, 63260), (2858, 31630), (3163, 28580), (5716, 15815), (6326, 14290), (7145, 12652)]