13807120

素因数分解:

$2^4\times 5^1\times {\mathrm{172589}}^1$

素因数の和:172602

約数の個数: 20

約数和(自身を含む): 32101740

約数和(自身を除く): 18294620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 172589, 345178, 690356, 862945, 1380712, 1725890, 2761424, 3451780, 6903560, 13807120]

約数ペア:

[(1, 13807120), (2, 6903560), (4, 3451780), (5, 2761424), (8, 1725890), (10, 1380712), (16, 862945), (20, 690356), (40, 345178), (80, 172589)]