12744920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10987}}^1$

素因数の和:11027

約数の個数: 32

約数和(自身を含む): 29667600

約数和(自身を除く): 16922680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 10987, 21974, 43948, 54935, 87896, 109870, 219740, 318623, 439480, 637246, 1274492, 1593115, 2548984, 3186230, 6372460, 12744920]

約数ペア:

[(1, 12744920), (2, 6372460), (4, 3186230), (5, 2548984), (8, 1593115), (10, 1274492), (20, 637246), (29, 439480), (40, 318623), (58, 219740), (116, 109870), (145, 87896), (232, 54935), (290, 43948), (580, 21974), (1160, 10987)]