2820080

素因数分解:

$2^4\times 5^1\times {\mathrm{35251}}^1$

素因数の和:35264

約数の個数: 20

約数和(自身を含む): 6556872

約数和(自身を除く): 3736792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 35251, 70502, 141004, 176255, 282008, 352510, 564016, 705020, 1410040, 2820080]

約数ペア:

[(1, 2820080), (2, 1410040), (4, 705020), (5, 564016), (8, 352510), (10, 282008), (16, 176255), (20, 141004), (40, 70502), (80, 35251)]