71285560

素因数分解:

$2^3\times 5^1\times {\mathrm{1782139}}^1$

素因数の和:1782150

約数の個数: 16

約数和(自身を含む): 160392600

約数和(自身を除く): 89107040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1782139, 3564278, 7128556, 8910695, 14257112, 17821390, 35642780, 71285560]

約数ペア:

[(1, 71285560), (2, 35642780), (4, 17821390), (5, 14257112), (8, 8910695), (10, 7128556), (20, 3564278), (40, 1782139)]