90448580

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{17597}}^1$

素因数の和:17863

約数の個数: 24

約数和(自身を含む): 190691928

約数和(自身を除く): 100243348

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 17597, 35194, 70388, 87985, 175970, 351940, 4522429, 9044858, 18089716, 22612145, 45224290, 90448580]

約数ペア:

[(1, 90448580), (2, 45224290), (4, 22612145), (5, 18089716), (10, 9044858), (20, 4522429), (257, 351940), (514, 175970), (1028, 87985), (1285, 70388), (2570, 35194), (5140, 17597)]