51288040

素因数分解:

$2^3\times 5^1\times {\mathrm{1282201}}^1$

素因数の和:1282212

約数の個数: 16

約数和(自身を含む): 115398180

約数和(自身を除く): 64110140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1282201, 2564402, 5128804, 6411005, 10257608, 12822010, 25644020, 51288040]

約数ペア:

[(1, 51288040), (2, 25644020), (4, 12822010), (5, 10257608), (8, 6411005), (10, 5128804), (20, 2564402), (40, 1282201)]