51315940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197369}}^1$

素因数の和:197391

約数の個数: 24

約数和(自身を含む): 116053560

約数和(自身を除く): 64737620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 197369, 394738, 789476, 986845, 1973690, 2565797, 3947380, 5131594, 10263188, 12828985, 25657970, 51315940]

約数ペア:

[(1, 51315940), (2, 25657970), (4, 12828985), (5, 10263188), (10, 5131594), (13, 3947380), (20, 2565797), (26, 1973690), (52, 986845), (65, 789476), (130, 394738), (260, 197369)]