813208040

素因数分解:

$2^3\times 5^1\times {\mathrm{20330201}}^1$

素因数の和:20330212

約数の個数: 16

約数和(自身を含む): 1829718180

約数和(自身を除く): 1016510140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20330201, 40660402, 81320804, 101651005, 162641608, 203302010, 406604020, 813208040]

約数ペア:

[(1, 813208040), (2, 406604020), (4, 203302010), (5, 162641608), (8, 101651005), (10, 81320804), (20, 40660402), (40, 20330201)]