28419680

素因数分解:

$2^5\times 5^1\times {\mathrm{177623}}^1$

素因数の和:177638

約数の個数: 24

約数和(自身を含む): 67141872

約数和(自身を除く): 38722192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177623, 355246, 710492, 888115, 1420984, 1776230, 2841968, 3552460, 5683936, 7104920, 14209840, 28419680]

約数ペア:

[(1, 28419680), (2, 14209840), (4, 7104920), (5, 5683936), (8, 3552460), (10, 2841968), (16, 1776230), (20, 1420984), (32, 888115), (40, 710492), (80, 355246), (160, 177623)]