1259375

素因数分解:

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

素因数の和:69

約数の個数: 24

約数和(自身を含む): 1749888

約数和(自身を除く): 490513

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 625, 775, 1625, 2015, 3125, 3875, 8125, 10075, 19375, 40625, 50375, 96875, 251875, 1259375]

約数ペア:

[(1, 1259375), (5, 251875), (13, 96875), (25, 50375), (31, 40625), (65, 19375), (125, 10075), (155, 8125), (325, 3875), (403, 3125), (625, 2015), (775, 1625)]