25000664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 50690640

約数和(自身を除く): 25689976

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 421, 571, 842, 1142, 1684, 2284, 3368, 4568, 5473, 7423, 10946, 14846, 21892, 29692, 43784, 59384, 240391, 480782, 961564, 1923128, 3125083, 6250166, 12500332, 25000664]

約数ペア:

[(1, 25000664), (2, 12500332), (4, 6250166), (8, 3125083), (13, 1923128), (26, 961564), (52, 480782), (104, 240391), (421, 59384), (571, 43784), (842, 29692), (1142, 21892), (1684, 14846), (2284, 10946), (3368, 7423), (4568, 5473)]