652640

素因数分解:

$2^5\times 5^1\times {\mathrm{4079}}^1$

素因数の和:4094

約数の個数: 24

約数和(自身を含む): 1542240

約数和(自身を除く): 889600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4079, 8158, 16316, 20395, 32632, 40790, 65264, 81580, 130528, 163160, 326320, 652640]

約数ペア:

[(1, 652640), (2, 326320), (4, 163160), (5, 130528), (8, 81580), (10, 65264), (16, 40790), (20, 32632), (32, 20395), (40, 16316), (80, 8158), (160, 4079)]