7311980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28123}}^1$

素因数の和:28145

約数の個数: 24

約数和(自身を含む): 16536912

約数和(自身を除く): 9224932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28123, 56246, 112492, 140615, 281230, 365599, 562460, 731198, 1462396, 1827995, 3655990, 7311980]

約数ペア:

[(1, 7311980), (2, 3655990), (4, 1827995), (5, 1462396), (10, 731198), (13, 562460), (20, 365599), (26, 281230), (52, 140615), (65, 112492), (130, 56246), (260, 28123)]