26950625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 37787904

約数和(自身を除く): 10837279

約数列:

[1, 5, 13, 25, 31, 65, 107, 125, 155, 325, 403, 535, 625, 775, 1391, 1625, 2015, 2675, 3317, 3875, 6955, 8125, 10075, 13375, 16585, 19375, 34775, 43121, 50375, 66875, 82925, 173875, 215605, 251875, 414625, 869375, 1078025, 2073125, 5390125, 26950625]

約数ペア:

[(1, 26950625), (5, 5390125), (13, 2073125), (25, 1078025), (31, 869375), (65, 414625), (107, 251875), (125, 215605), (155, 173875), (325, 82925), (403, 66875), (535, 50375), (625, 43121), (775, 34775), (1391, 19375), (1625, 16585), (2015, 13375), (2675, 10075), (3317, 8125), (3875, 6955)]