1440432880

素因数分解:

$2^4\times 5^1\times {\mathrm{18005411}}^1$

素因数の和:18005424

約数の個数: 20

約数和(自身を含む): 3349006632

約数和(自身を除く): 1908573752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18005411, 36010822, 72021644, 90027055, 144043288, 180054110, 288086576, 360108220, 720216440, 1440432880]

約数ペア:

[(1, 1440432880), (2, 720216440), (4, 360108220), (5, 288086576), (8, 180054110), (10, 144043288), (16, 90027055), (20, 72021644), (40, 36010822), (80, 18005411)]