1420280

素因数分解:

$2^3\times 5^1\times {\mathrm{35507}}^1$

素因数の和:35518

約数の個数: 16

約数和(自身を含む): 3195720

約数和(自身を除く): 1775440

約数列:

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

約数ペア:

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