4157780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18899}}^1$

素因数の和:18919

約数の個数: 24

約数和(自身を含む): 9525600

約数和(自身を除く): 5367820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 18899, 37798, 75596, 94495, 188990, 207889, 377980, 415778, 831556, 1039445, 2078890, 4157780]

約数ペア:

[(1, 4157780), (2, 2078890), (4, 1039445), (5, 831556), (10, 415778), (11, 377980), (20, 207889), (22, 188990), (44, 94495), (55, 75596), (110, 37798), (220, 18899)]