128103625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2543}}^1$

素因数の和:2602

約数の個数: 32

約数和(自身を含む): 177795072

約数和(自身を除く): 49691447

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 1625, 2015, 2543, 3875, 10075, 12715, 33059, 50375, 63575, 78833, 165295, 317875, 394165, 826475, 1024829, 1970825, 4132375, 5124145, 9854125, 25620725, 128103625]

約数ペア:

[(1, 128103625), (5, 25620725), (13, 9854125), (25, 5124145), (31, 4132375), (65, 1970825), (125, 1024829), (155, 826475), (325, 394165), (403, 317875), (775, 165295), (1625, 78833), (2015, 63575), (2543, 50375), (3875, 33059), (10075, 12715)]