25386320

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1423}}^1$

素因数の和:1659

約数の個数: 40

約数和(自身を含む): 59329536

約数和(自身を除く): 33943216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1423, 1784, 2230, 2846, 3568, 4460, 5692, 7115, 8920, 11384, 14230, 17840, 22768, 28460, 56920, 113840, 317329, 634658, 1269316, 1586645, 2538632, 3173290, 5077264, 6346580, 12693160, 25386320]

約数ペア:

[(1, 25386320), (2, 12693160), (4, 6346580), (5, 5077264), (8, 3173290), (10, 2538632), (16, 1586645), (20, 1269316), (40, 634658), (80, 317329), (223, 113840), (446, 56920), (892, 28460), (1115, 22768), (1423, 17840), (1784, 14230), (2230, 11384), (2846, 8920), (3568, 7115), (4460, 5692)]