174045625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:755

約数の個数: 40

約数和(自身を含む): 242122496

約数和(自身を除く): 68076871

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 625, 691, 775, 1625, 2015, 3455, 3875, 8125, 8983, 10075, 17275, 19375, 21421, 44915, 50375, 86375, 107105, 224575, 251875, 278473, 431875, 535525, 1122875, 1392365, 2677625, 5614375, 6961825, 13388125, 34809125, 174045625]

約数ペア:

[(1, 174045625), (5, 34809125), (13, 13388125), (25, 6961825), (31, 5614375), (65, 2677625), (125, 1392365), (155, 1122875), (325, 535525), (403, 431875), (625, 278473), (691, 251875), (775, 224575), (1625, 107105), (2015, 86375), (3455, 50375), (3875, 44915), (8125, 21421), (8983, 19375), (10075, 17275)]