2722180

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1039}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 5765760

約数和(自身を除く): 3043580

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1039, 1310, 2078, 2620, 4156, 5195, 10390, 20780, 136109, 272218, 544436, 680545, 1361090, 2722180]

約数ペア:

[(1, 2722180), (2, 1361090), (4, 680545), (5, 544436), (10, 272218), (20, 136109), (131, 20780), (262, 10390), (524, 5195), (655, 4156), (1039, 2620), (1310, 2078)]