12401380

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1381}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 26119800

約数和(自身を除く): 13718420

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1381, 1796, 2245, 2762, 4490, 5524, 6905, 8980, 13810, 27620, 620069, 1240138, 2480276, 3100345, 6200690, 12401380]

約数ペア:

[(1, 12401380), (2, 6200690), (4, 3100345), (5, 2480276), (10, 1240138), (20, 620069), (449, 27620), (898, 13810), (1381, 8980), (1796, 6905), (2245, 5524), (2762, 4490)]