8920165

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 11185776

約数和(自身を除く): 2265611

約数列:

[1, 5, 41, 53, 205, 265, 821, 2173, 4105, 10865, 33661, 43513, 168305, 217565, 1784033, 8920165]

約数ペア:

[(1, 8920165), (5, 1784033), (41, 217565), (53, 168305), (205, 43513), (265, 33661), (821, 10865), (2173, 4105)]