66654190

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{5171}}^1$

素因数の和:6467

約数の個数: 16

約数和(自身を含む): 120093840

約数和(自身を除く): 53439650

約数列:

[1, 2, 5, 10, 1289, 2578, 5171, 6445, 10342, 12890, 25855, 51710, 6665419, 13330838, 33327095, 66654190]

約数ペア:

[(1, 66654190), (2, 33327095), (5, 13330838), (10, 6665419), (1289, 51710), (2578, 25855), (5171, 12890), (6445, 10342)]