2051620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5399}}^1$

素因数の和:5427

約数の個数: 24

約数和(自身を含む): 4536000

約数和(自身を除く): 2484380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5399, 10798, 21596, 26995, 53990, 102581, 107980, 205162, 410324, 512905, 1025810, 2051620]

約数ペア:

[(1, 2051620), (2, 1025810), (4, 512905), (5, 410324), (10, 205162), (19, 107980), (20, 102581), (38, 53990), (76, 26995), (95, 21596), (190, 10798), (380, 5399)]