65432420

素因数分解:

$2^2\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{1901}}^1$

素因数の和:3631

約数の個数: 24

約数和(自身を含む): 137560248

約数和(自身を除く): 72127828

約数列:

[1, 2, 4, 5, 10, 20, 1721, 1901, 3442, 3802, 6884, 7604, 8605, 9505, 17210, 19010, 34420, 38020, 3271621, 6543242, 13086484, 16358105, 32716210, 65432420]

約数ペア:

[(1, 65432420), (2, 32716210), (4, 16358105), (5, 13086484), (10, 6543242), (20, 3271621), (1721, 38020), (1901, 34420), (3442, 19010), (3802, 17210), (6884, 9505), (7604, 8605)]