39620120

素因数分解:

$2^3\times 5^1\times {\mathrm{990503}}^1$

素因数の和:990514

約数の個数: 16

約数和(自身を含む): 89145360

約数和(自身を除く): 49525240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 990503, 1981006, 3962012, 4952515, 7924024, 9905030, 19810060, 39620120]

約数ペア:

[(1, 39620120), (2, 19810060), (4, 9905030), (5, 7924024), (8, 4952515), (10, 3962012), (20, 1981006), (40, 990503)]