51758020

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{3191}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 108859968

約数和(自身を除く): 57101948

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3191, 3244, 4055, 6382, 8110, 12764, 15955, 16220, 31910, 63820, 2587901, 5175802, 10351604, 12939505, 25879010, 51758020]

約数ペア:

[(1, 51758020), (2, 25879010), (4, 12939505), (5, 10351604), (10, 5175802), (20, 2587901), (811, 63820), (1622, 31910), (3191, 16220), (3244, 15955), (4055, 12764), (6382, 8110)]