4999220

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1381}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 10564008

約数和(自身を除く): 5564788

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1381, 1810, 2762, 3620, 5524, 6905, 13810, 27620, 249961, 499922, 999844, 1249805, 2499610, 4999220]

約数ペア:

[(1, 4999220), (2, 2499610), (4, 1249805), (5, 999844), (10, 499922), (20, 249961), (181, 27620), (362, 13810), (724, 6905), (905, 5524), (1381, 3620), (1810, 2762)]