12486740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1129}}^1$

素因数の和:1224

約数の個数: 48

約数和(自身を含む): 30374400

約数和(自身を除く): 17887660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1129, 1580, 2212, 2258, 2765, 4516, 5530, 5645, 7903, 11060, 11290, 15806, 22580, 31612, 39515, 79030, 89191, 158060, 178382, 356764, 445955, 624337, 891910, 1248674, 1783820, 2497348, 3121685, 6243370, 12486740]

約数ペア:

[(1, 12486740), (2, 6243370), (4, 3121685), (5, 2497348), (7, 1783820), (10, 1248674), (14, 891910), (20, 624337), (28, 445955), (35, 356764), (70, 178382), (79, 158060), (140, 89191), (158, 79030), (316, 39515), (395, 31612), (553, 22580), (790, 15806), (1106, 11290), (1129, 11060), (1580, 7903), (2212, 5645), (2258, 5530), (2765, 4516)]