126875125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 171924480

約数和(自身を除く): 45049355

約数列:

[1, 5, 13, 25, 65, 125, 163, 325, 479, 815, 1625, 2119, 2395, 4075, 6227, 10595, 11975, 20375, 31135, 52975, 59875, 78077, 155675, 264875, 390385, 778375, 1015001, 1951925, 5075005, 9759625, 25375025, 126875125]

約数ペア:

[(1, 126875125), (5, 25375025), (13, 9759625), (25, 5075005), (65, 1951925), (125, 1015001), (163, 778375), (325, 390385), (479, 264875), (815, 155675), (1625, 78077), (2119, 59875), (2395, 52975), (4075, 31135), (6227, 20375), (10595, 11975)]