39911950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61403}}^1$

素因数の和:61428

約数の個数: 24

約数和(自身を含む): 79948008

約数和(自身を除く): 40036058

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 61403, 122806, 307015, 614030, 798239, 1535075, 1596478, 3070150, 3991195, 7982390, 19955975, 39911950]

約数ペア:

[(1, 39911950), (2, 19955975), (5, 7982390), (10, 3991195), (13, 3070150), (25, 1596478), (26, 1535075), (50, 798239), (65, 614030), (130, 307015), (325, 122806), (650, 61403)]