142461680

素因数分解:

$2^4\times 5^1\times {\mathrm{1780771}}^1$

素因数の和:1780784

約数の個数: 20

約数和(自身を含む): 331223592

約数和(自身を除く): 188761912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1780771, 3561542, 7123084, 8903855, 14246168, 17807710, 28492336, 35615420, 71230840, 142461680]

約数ペア:

[(1, 142461680), (2, 71230840), (4, 35615420), (5, 28492336), (8, 17807710), (10, 14246168), (16, 8903855), (20, 7123084), (40, 3561542), (80, 1780771)]