65052640

素因数分解:

$2^5\times 5^1\times {\mathrm{406579}}^1$

素因数の和:406594

約数の個数: 24

約数和(自身を含む): 153687240

約数和(自身を除く): 88634600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 406579, 813158, 1626316, 2032895, 3252632, 4065790, 6505264, 8131580, 13010528, 16263160, 32526320, 65052640]

約数ペア:

[(1, 65052640), (2, 32526320), (4, 16263160), (5, 13010528), (8, 8131580), (10, 6505264), (16, 4065790), (20, 3252632), (32, 2032895), (40, 1626316), (80, 813158), (160, 406579)]