3618220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1381}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 7661808

約数和(自身を除く): 4043588

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1381, 2620, 2762, 5524, 6905, 13810, 27620, 180911, 361822, 723644, 904555, 1809110, 3618220]

約数ペア:

[(1, 3618220), (2, 1809110), (4, 904555), (5, 723644), (10, 361822), (20, 180911), (131, 27620), (262, 13810), (524, 6905), (655, 5524), (1310, 2762), (1381, 2620)]