61508540

素因数分解:

$2^2\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{1787}}^1$

素因数の和:3517

約数の個数: 24

約数和(自身を含む): 129315312

約数和(自身を除く): 67806772

約数列:

[1, 2, 4, 5, 10, 20, 1721, 1787, 3442, 3574, 6884, 7148, 8605, 8935, 17210, 17870, 34420, 35740, 3075427, 6150854, 12301708, 15377135, 30754270, 61508540]

約数ペア:

[(1, 61508540), (2, 30754270), (4, 15377135), (5, 12301708), (10, 6150854), (20, 3075427), (1721, 35740), (1787, 34420), (3442, 17870), (3574, 17210), (6884, 8935), (7148, 8605)]