259204580

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{17827}}^1$

素因数の和:18563

約数の個数: 24

約数和(自身を含む): 545108928

約数和(自身を除く): 285904348

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 7270, 14540, 17827, 35654, 71308, 89135, 178270, 356540, 12960229, 25920458, 51840916, 64801145, 129602290, 259204580]

約数ペア:

[(1, 259204580), (2, 129602290), (4, 64801145), (5, 51840916), (10, 25920458), (20, 12960229), (727, 356540), (1454, 178270), (2908, 89135), (3635, 71308), (7270, 35654), (14540, 17827)]