2669780

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1019}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 5654880

約数和(自身を除く): 2985100

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1019, 1310, 2038, 2620, 4076, 5095, 10190, 20380, 133489, 266978, 533956, 667445, 1334890, 2669780]

約数ペア:

[(1, 2669780), (2, 1334890), (4, 667445), (5, 533956), (10, 266978), (20, 133489), (131, 20380), (262, 10190), (524, 5095), (655, 4076), (1019, 2620), (1310, 2038)]