4521380

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1249}}^1$

素因数の和:1439

約数の個数: 24

約数和(自身を含む): 9555000

約数和(自身を除く): 5033620

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1249, 1810, 2498, 3620, 4996, 6245, 12490, 24980, 226069, 452138, 904276, 1130345, 2260690, 4521380]

約数ペア:

[(1, 4521380), (2, 2260690), (4, 1130345), (5, 904276), (10, 452138), (20, 226069), (181, 24980), (362, 12490), (724, 6245), (905, 4996), (1249, 3620), (1810, 2498)]