428851580

素因数分解:

$2^2\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{13649}}^1$

素因数の和:15229

約数の個数: 24

約数和(自身を含む): 901227600

約数和(自身を除く): 472376020

約数列:

[1, 2, 4, 5, 10, 20, 1571, 3142, 6284, 7855, 13649, 15710, 27298, 31420, 54596, 68245, 136490, 272980, 21442579, 42885158, 85770316, 107212895, 214425790, 428851580]

約数ペア:

[(1, 428851580), (2, 214425790), (4, 107212895), (5, 85770316), (10, 42885158), (20, 21442579), (1571, 272980), (3142, 136490), (6284, 68245), (7855, 54596), (13649, 31420), (15710, 27298)]