2900080

素因数分解:

$2^4\times 5^1\times {\mathrm{36251}}^1$

素因数の和:36264

約数の個数: 20

約数和(自身を含む): 6742872

約数和(自身を除く): 3842792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 36251, 72502, 145004, 181255, 290008, 362510, 580016, 725020, 1450040, 2900080]

約数ペア:

[(1, 2900080), (2, 1450040), (4, 725020), (5, 580016), (8, 362510), (10, 290008), (16, 181255), (20, 145004), (40, 72502), (80, 36251)]