13335760

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1873}}^1$

素因数の和:1975

約数の個数: 40

約数和(自身を含む): 31370760

約数和(自身を除く): 18035000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 1873, 3560, 3746, 7120, 7492, 9365, 14984, 18730, 29968, 37460, 74920, 149840, 166697, 333394, 666788, 833485, 1333576, 1666970, 2667152, 3333940, 6667880, 13335760]

約数ペア:

[(1, 13335760), (2, 6667880), (4, 3333940), (5, 2667152), (8, 1666970), (10, 1333576), (16, 833485), (20, 666788), (40, 333394), (80, 166697), (89, 149840), (178, 74920), (356, 37460), (445, 29968), (712, 18730), (890, 14984), (1424, 9365), (1780, 7492), (1873, 7120), (3560, 3746)]