205128214160

素因数分解:

$2^4\times 5^1\times {\mathrm{10501}}^1\times {\mathrm{244177}}^1$

素因数の和:254691

約数の個数: 40

約数和(自身を含む): 476970468216

約数和(自身を除く): 271842254056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10501, 21002, 42004, 52505, 84008, 105010, 168016, 210020, 244177, 420040, 488354, 840080, 976708, 1220885, 1953416, 2441770, 3906832, 4883540, 9767080, 19534160, 2564102677, 5128205354, 10256410708, 12820513385, 20512821416, 25641026770, 41025642832, 51282053540, 102564107080, 205128214160]

約数ペア:

[(1, 205128214160), (2, 102564107080), (4, 51282053540), (5, 41025642832), (8, 25641026770), (10, 20512821416), (16, 12820513385), (20, 10256410708), (40, 5128205354), (80, 2564102677), (10501, 19534160), (21002, 9767080), (42004, 4883540), (52505, 3906832), (84008, 2441770), (105010, 1953416), (168016, 1220885), (210020, 976708), (244177, 840080), (420040, 488354)]