12717680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3697}}^1$

素因数の和:3753

約数の個数: 40

約数和(自身を含む): 30264432

約数和(自身を除く): 17546752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3697, 7394, 14788, 18485, 29576, 36970, 59152, 73940, 147880, 158971, 295760, 317942, 635884, 794855, 1271768, 1589710, 2543536, 3179420, 6358840, 12717680]

約数ペア:

[(1, 12717680), (2, 6358840), (4, 3179420), (5, 2543536), (8, 1589710), (10, 1271768), (16, 794855), (20, 635884), (40, 317942), (43, 295760), (80, 158971), (86, 147880), (172, 73940), (215, 59152), (344, 36970), (430, 29576), (688, 18485), (860, 14788), (1720, 7394), (3440, 3697)]