13031980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50123}}^1$

素因数の和:50145

約数の個数: 24

約数和(自身を含む): 29472912

約数和(自身を除く): 16440932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 50123, 100246, 200492, 250615, 501230, 651599, 1002460, 1303198, 2606396, 3257995, 6515990, 13031980]

約数ペア:

[(1, 13031980), (2, 6515990), (4, 3257995), (5, 2606396), (10, 1303198), (13, 1002460), (20, 651599), (26, 501230), (52, 250615), (65, 200492), (130, 100246), (260, 50123)]