2840560

素因数分解:

$2^4\times 5^1\times {\mathrm{35507}}^1$

素因数の和:35520

約数の個数: 20

約数和(自身を含む): 6604488

約数和(自身を除く): 3763928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 35507, 71014, 142028, 177535, 284056, 355070, 568112, 710140, 1420280, 2840560]

約数ペア:

[(1, 2840560), (2, 1420280), (4, 710140), (5, 568112), (8, 355070), (10, 284056), (16, 177535), (20, 142028), (40, 71014), (80, 35507)]