202128580

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{25457}}^1$

素因数の和:25863

約数の個数: 24

約数和(自身を含む): 425555928

約数和(自身を除く): 223427348

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 25457, 50914, 101828, 127285, 254570, 509140, 10106429, 20212858, 40425716, 50532145, 101064290, 202128580]

約数ペア:

[(1, 202128580), (2, 101064290), (4, 50532145), (5, 40425716), (10, 20212858), (20, 10106429), (397, 509140), (794, 254570), (1588, 127285), (1985, 101828), (3970, 50914), (7940, 25457)]