25401920

素因数分解:

$2^6\times 5^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:667

約数の個数: 56

約数和(自身を含む): 60984384

約数和(自身を除く): 35582464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 163, 320, 326, 487, 652, 815, 974, 1304, 1630, 1948, 2435, 2608, 3260, 3896, 4870, 5216, 6520, 7792, 9740, 10432, 13040, 15584, 19480, 26080, 31168, 38960, 52160, 77920, 79381, 155840, 158762, 317524, 396905, 635048, 793810, 1270096, 1587620, 2540192, 3175240, 5080384, 6350480, 12700960, 25401920]

約数ペア:

[(1, 25401920), (2, 12700960), (4, 6350480), (5, 5080384), (8, 3175240), (10, 2540192), (16, 1587620), (20, 1270096), (32, 793810), (40, 635048), (64, 396905), (80, 317524), (160, 158762), (163, 155840), (320, 79381), (326, 77920), (487, 52160), (652, 38960), (815, 31168), (974, 26080), (1304, 19480), (1630, 15584), (1948, 13040), (2435, 10432), (2608, 9740), (3260, 7792), (3896, 6520), (4870, 5216)]