71903380

素因数分解:

$2^2\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{2089}}^1$

素因数の和:3819

約数の個数: 24

約数和(自身を含む): 151157160

約数和(自身を除く): 79253780

約数列:

[1, 2, 4, 5, 10, 20, 1721, 2089, 3442, 4178, 6884, 8356, 8605, 10445, 17210, 20890, 34420, 41780, 3595169, 7190338, 14380676, 17975845, 35951690, 71903380]

約数ペア:

[(1, 71903380), (2, 35951690), (4, 17975845), (5, 14380676), (10, 7190338), (20, 3595169), (1721, 41780), (2089, 34420), (3442, 20890), (4178, 17210), (6884, 10445), (8356, 8605)]