83370625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 116162816

約数和(自身を除く): 32792191

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 331, 403, 625, 775, 1625, 1655, 2015, 3875, 4303, 8125, 8275, 10075, 10261, 19375, 21515, 41375, 50375, 51305, 107575, 133393, 206875, 251875, 256525, 537875, 666965, 1282625, 2689375, 3334825, 6413125, 16674125, 83370625]

約数ペア:

[(1, 83370625), (5, 16674125), (13, 6413125), (25, 3334825), (31, 2689375), (65, 1282625), (125, 666965), (155, 537875), (325, 256525), (331, 251875), (403, 206875), (625, 133393), (775, 107575), (1625, 51305), (1655, 50375), (2015, 41375), (3875, 21515), (4303, 19375), (8125, 10261), (8275, 10075)]