123055220

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{37747}}^1$

素因数の和:37919

約数の個数: 24

約数和(自身を含む): 260008224

約数和(自身を除く): 136953004

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 37747, 75494, 150988, 188735, 377470, 754940, 6152761, 12305522, 24611044, 30763805, 61527610, 123055220]

約数ペア:

[(1, 123055220), (2, 61527610), (4, 30763805), (5, 24611044), (10, 12305522), (20, 6152761), (163, 754940), (326, 377470), (652, 188735), (815, 150988), (1630, 75494), (3260, 37747)]