6407620

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{761}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 13505688

約数和(自身を除く): 7098068

約数列:

[1, 2, 4, 5, 10, 20, 421, 761, 842, 1522, 1684, 2105, 3044, 3805, 4210, 7610, 8420, 15220, 320381, 640762, 1281524, 1601905, 3203810, 6407620]

約数ペア:

[(1, 6407620), (2, 3203810), (4, 1601905), (5, 1281524), (10, 640762), (20, 320381), (421, 15220), (761, 8420), (842, 7610), (1522, 4210), (1684, 3805), (2105, 3044)]