12400125

素因数分解:

$3^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 21141120

約数和(自身を除く): 8740995

約数列:

[1, 3, 5, 15, 25, 43, 75, 125, 129, 215, 375, 645, 769, 1075, 2307, 3225, 3845, 5375, 11535, 16125, 19225, 33067, 57675, 96125, 99201, 165335, 288375, 496005, 826675, 2480025, 4133375, 12400125]

約数ペア:

[(1, 12400125), (3, 4133375), (5, 2480025), (15, 826675), (25, 496005), (43, 288375), (75, 165335), (125, 99201), (129, 96125), (215, 57675), (375, 33067), (645, 19225), (769, 16125), (1075, 11535), (2307, 5375), (3225, 3845)]