12507760

素因数分解:

$2^4\times 5^1\times {\mathrm{156347}}^1$

素因数の和:156360

約数の個数: 20

約数和(自身を含む): 29080728

約数和(自身を除く): 16572968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156347, 312694, 625388, 781735, 1250776, 1563470, 2501552, 3126940, 6253880, 12507760]

約数ペア:

[(1, 12507760), (2, 6253880), (4, 3126940), (5, 2501552), (8, 1563470), (10, 1250776), (16, 781735), (20, 625388), (40, 312694), (80, 156347)]