3981940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5381}}^1$

素因数の和:5427

約数の個数: 24

約数和(自身を含む): 8589672

約数和(自身を除く): 4607732

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 5381, 10762, 21524, 26905, 53810, 107620, 199097, 398194, 796388, 995485, 1990970, 3981940]

約数ペア:

[(1, 3981940), (2, 1990970), (4, 995485), (5, 796388), (10, 398194), (20, 199097), (37, 107620), (74, 53810), (148, 26905), (185, 21524), (370, 10762), (740, 5381)]