77325625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 107765504

約数和(自身を除く): 30439879

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 307, 325, 403, 625, 775, 1535, 1625, 2015, 3875, 3991, 7675, 8125, 9517, 10075, 19375, 19955, 38375, 47585, 50375, 99775, 123721, 191875, 237925, 251875, 498875, 618605, 1189625, 2494375, 3093025, 5948125, 15465125, 77325625]

約数ペア:

[(1, 77325625), (5, 15465125), (13, 5948125), (25, 3093025), (31, 2494375), (65, 1189625), (125, 618605), (155, 498875), (307, 251875), (325, 237925), (403, 191875), (625, 123721), (775, 99775), (1535, 50375), (1625, 47585), (2015, 38375), (3875, 19955), (3991, 19375), (7675, 10075), (8125, 9517)]