212024740

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{26437}}^1$

素因数の和:26847

約数の個数: 24

約数和(自身を含む): 446379192

約数和(自身を除く): 234354452

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 26437, 52874, 105748, 132185, 264370, 528740, 10601237, 21202474, 42404948, 53006185, 106012370, 212024740]

約数ペア:

[(1, 212024740), (2, 106012370), (4, 53006185), (5, 42404948), (10, 21202474), (20, 10601237), (401, 528740), (802, 264370), (1604, 132185), (2005, 105748), (4010, 52874), (8020, 26437)]