12891160

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6857}}^1$

素因数の和:6915

約数の個数: 32

約数和(自身を含む): 29626560

約数和(自身を除く): 16735400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 6857, 13714, 27428, 34285, 54856, 68570, 137140, 274280, 322279, 644558, 1289116, 1611395, 2578232, 3222790, 6445580, 12891160]

約数ペア:

[(1, 12891160), (2, 6445580), (4, 3222790), (5, 2578232), (8, 1611395), (10, 1289116), (20, 644558), (40, 322279), (47, 274280), (94, 137140), (188, 68570), (235, 54856), (376, 34285), (470, 27428), (940, 13714), (1880, 6857)]