54153125

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 76995072

約数和(自身を除く): 22841947

約数列:

[1, 5, 13, 25, 31, 43, 65, 125, 155, 215, 325, 403, 559, 625, 775, 1075, 1333, 1625, 2015, 2795, 3125, 3875, 5375, 6665, 8125, 10075, 13975, 17329, 19375, 26875, 33325, 40625, 50375, 69875, 86645, 96875, 134375, 166625, 251875, 349375, 433225, 833125, 1259375, 1746875, 2166125, 4165625, 10830625, 54153125]

約数ペア:

[(1, 54153125), (5, 10830625), (13, 4165625), (25, 2166125), (31, 1746875), (43, 1259375), (65, 833125), (125, 433225), (155, 349375), (215, 251875), (325, 166625), (403, 134375), (559, 96875), (625, 86645), (775, 69875), (1075, 50375), (1333, 40625), (1625, 33325), (2015, 26875), (2795, 19375), (3125, 17329), (3875, 13975), (5375, 10075), (6665, 8125)]