78443360

素因数分解:

$2^5\times 5^1\times {\mathrm{490271}}^1$

素因数の和:490286

約数の個数: 24

約数和(自身を含む): 185322816

約数和(自身を除く): 106879456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 490271, 980542, 1961084, 2451355, 3922168, 4902710, 7844336, 9805420, 15688672, 19610840, 39221680, 78443360]

約数ペア:

[(1, 78443360), (2, 39221680), (4, 19610840), (5, 15688672), (8, 9805420), (10, 7844336), (16, 4902710), (20, 3922168), (32, 2451355), (40, 1961084), (80, 980542), (160, 490271)]