28651640

素因数分解:

$2^3\times 5^1\times {\mathrm{716291}}^1$

素因数の和:716302

約数の個数: 16

約数和(自身を含む): 64466280

約数和(自身を除く): 35814640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 716291, 1432582, 2865164, 3581455, 5730328, 7162910, 14325820, 28651640]

約数ペア:

[(1, 28651640), (2, 14325820), (4, 7162910), (5, 5730328), (8, 3581455), (10, 2865164), (20, 1432582), (40, 716291)]