42788125

素因数分解:

$5^4\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:550

約数の個数: 20

約数和(自身を含む): 53882752

約数和(自身を除く): 11094627

約数列:

[1, 5, 25, 125, 223, 307, 625, 1115, 1535, 5575, 7675, 27875, 38375, 68461, 139375, 191875, 342305, 1711525, 8557625, 42788125]

約数ペア:

[(1, 42788125), (5, 8557625), (25, 1711525), (125, 342305), (223, 191875), (307, 139375), (625, 68461), (1115, 38375), (1535, 27875), (5575, 7675)]