123872125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2459}}^1$

素因数の和:2518

約数の個数: 32

約数和(自身を含む): 171924480

約数和(自身を除く): 48052355

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 1625, 2015, 2459, 3875, 10075, 12295, 31967, 50375, 61475, 76229, 159835, 307375, 381145, 799175, 990977, 1905725, 3995875, 4954885, 9528625, 24774425, 123872125]

約数ペア:

[(1, 123872125), (5, 24774425), (13, 9528625), (25, 4954885), (31, 3995875), (65, 1905725), (125, 990977), (155, 799175), (325, 381145), (403, 307375), (775, 159835), (1625, 76229), (2015, 61475), (2459, 50375), (3875, 31967), (10075, 12295)]