12709040

素因数分解:

$2^4\times 5^1\times {\mathrm{158863}}^1$

素因数の和:158876

約数の個数: 20

約数和(自身を含む): 29548704

約数和(自身を除く): 16839664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158863, 317726, 635452, 794315, 1270904, 1588630, 2541808, 3177260, 6354520, 12709040]

約数ペア:

[(1, 12709040), (2, 6354520), (4, 3177260), (5, 2541808), (8, 1588630), (10, 1270904), (16, 794315), (20, 635452), (40, 317726), (80, 158863)]