56520620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217387}}^1$

素因数の和:217409

約数の個数: 24

約数和(自身を含む): 127824144

約数和(自身を除く): 71303524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 217387, 434774, 869548, 1086935, 2173870, 2826031, 4347740, 5652062, 11304124, 14130155, 28260310, 56520620]

約数ペア:

[(1, 56520620), (2, 28260310), (4, 14130155), (5, 11304124), (10, 5652062), (13, 4347740), (20, 2826031), (26, 2173870), (52, 1086935), (65, 869548), (130, 434774), (260, 217387)]