8127500

素因数分解:

$2^2\times 5^4\times {\mathrm{3251}}^1$

素因数の和:3275

約数の個数: 30

約数和(自身を含む): 17778684

約数和(自身を除く): 9651184

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 3251, 6502, 13004, 16255, 32510, 65020, 81275, 162550, 325100, 406375, 812750, 1625500, 2031875, 4063750, 8127500]

約数ペア:

[(1, 8127500), (2, 4063750), (4, 2031875), (5, 1625500), (10, 812750), (20, 406375), (25, 325100), (50, 162550), (100, 81275), (125, 65020), (250, 32510), (500, 16255), (625, 13004), (1250, 6502), (2500, 3251)]