85521140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{30763}}^1$

素因数の和:30911

約数の個数: 24

約数和(自身を含む): 180892320

約数和(自身を除く): 95371180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 30763, 61526, 123052, 153815, 307630, 615260, 4276057, 8552114, 17104228, 21380285, 42760570, 85521140]

約数ペア:

[(1, 85521140), (2, 42760570), (4, 21380285), (5, 17104228), (10, 8552114), (20, 4276057), (139, 615260), (278, 307630), (556, 153815), (695, 123052), (1390, 61526), (2780, 30763)]