78051620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{205399}}^1$

素因数の和:205427

約数の個数: 24

約数和(自身を含む): 172536000

約数和(自身を除く): 94484380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 205399, 410798, 821596, 1026995, 2053990, 3902581, 4107980, 7805162, 15610324, 19512905, 39025810, 78051620]

約数ペア:

[(1, 78051620), (2, 39025810), (4, 19512905), (5, 15610324), (10, 7805162), (19, 4107980), (20, 3902581), (38, 2053990), (76, 1026995), (95, 821596), (190, 410798), (380, 205399)]