15320560

素因数分解:

$2^4\times 5^1\times {\mathrm{191507}}^1$

素因数の和:191520

約数の個数: 20

約数和(自身を含む): 35620488

約数和(自身を除く): 20299928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191507, 383014, 766028, 957535, 1532056, 1915070, 3064112, 3830140, 7660280, 15320560]

約数ペア:

[(1, 15320560), (2, 7660280), (4, 3830140), (5, 3064112), (8, 1915070), (10, 1532056), (16, 957535), (20, 766028), (40, 383014), (80, 191507)]