65160220

素因数分解:

$2^2\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{3191}}^1$

素因数の和:4221

約数の個数: 24

約数和(自身を含む): 137013408

約数和(自身を除く): 71853188

約数列:

[1, 2, 4, 5, 10, 20, 1021, 2042, 3191, 4084, 5105, 6382, 10210, 12764, 15955, 20420, 31910, 63820, 3258011, 6516022, 13032044, 16290055, 32580110, 65160220]

約数ペア:

[(1, 65160220), (2, 32580110), (4, 16290055), (5, 13032044), (10, 6516022), (20, 3258011), (1021, 63820), (2042, 31910), (3191, 20420), (4084, 15955), (5105, 12764), (6382, 10210)]