1282144625

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1979}}^1$

素因数の和:2138

約数の個数: 32

約数和(自身を含む): 1645712640

約数和(自身を除く): 363568015

約数列:

[1, 5, 25, 71, 73, 125, 355, 365, 1775, 1825, 1979, 5183, 8875, 9125, 9895, 25915, 49475, 129575, 140509, 144467, 247375, 647875, 702545, 722335, 3512725, 3611675, 10257157, 17563625, 18058375, 51285785, 256428925, 1282144625]

約数ペア:

[(1, 1282144625), (5, 256428925), (25, 51285785), (71, 18058375), (73, 17563625), (125, 10257157), (355, 3611675), (365, 3512725), (1775, 722335), (1825, 702545), (1979, 647875), (5183, 247375), (8875, 144467), (9125, 140509), (9895, 129575), (25915, 49475)]