71230840

素因数分解:

$2^3\times 5^1\times {\mathrm{1780771}}^1$

素因数の和:1780782

約数の個数: 16

約数和(自身を含む): 160269480

約数和(自身を除く): 89038640

約数列:

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

約数ペア:

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