25375025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 34164480

約数和(自身を除く): 8789455

約数列:

[1, 5, 13, 25, 65, 163, 325, 479, 815, 2119, 2395, 4075, 6227, 10595, 11975, 31135, 52975, 78077, 155675, 390385, 1015001, 1951925, 5075005, 25375025]

約数ペア:

[(1, 25375025), (5, 5075005), (13, 1951925), (25, 1015001), (65, 390385), (163, 155675), (325, 78077), (479, 52975), (815, 31135), (2119, 11975), (2395, 10595), (4075, 6227)]