39913420

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{11149}}^1$

素因数の和:11337

約数の個数: 24

約数和(自身を含む): 84294000

約数和(自身を除く): 44380580

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 11149, 22298, 44596, 55745, 111490, 222980, 1995671, 3991342, 7982684, 9978355, 19956710, 39913420]

約数ペア:

[(1, 39913420), (2, 19956710), (4, 9978355), (5, 7982684), (10, 3991342), (20, 1995671), (179, 222980), (358, 111490), (716, 55745), (895, 44596), (1790, 22298), (3580, 11149)]