71885125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1486

約数の個数: 32

約数和(自身を含む): 99800064

約数和(自身を除く): 27914939

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 1427, 1625, 2015, 3875, 7135, 10075, 18551, 35675, 44237, 50375, 92755, 178375, 221185, 463775, 575081, 1105925, 2318875, 2875405, 5529625, 14377025, 71885125]

約数ペア:

[(1, 71885125), (5, 14377025), (13, 5529625), (25, 2875405), (31, 2318875), (65, 1105925), (125, 575081), (155, 463775), (325, 221185), (403, 178375), (775, 92755), (1427, 50375), (1625, 44237), (2015, 35675), (3875, 18551), (7135, 10075)]