55964740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{215249}}^1$

素因数の和:215271

約数の個数: 24

約数和(自身を含む): 126567000

約数和(自身を除く): 70602260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 215249, 430498, 860996, 1076245, 2152490, 2798237, 4304980, 5596474, 11192948, 13991185, 27982370, 55964740]

約数ペア:

[(1, 55964740), (2, 27982370), (4, 13991185), (5, 11192948), (10, 5596474), (13, 4304980), (20, 2798237), (26, 2152490), (52, 1076245), (65, 860996), (130, 430498), (260, 215249)]