159870280

素因数分解:

$2^3\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{3559}}^1$

素因数の和:4693

約数の個数: 32

約数和(自身を含む): 360129600

約数和(自身を除く): 200259320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1123, 2246, 3559, 4492, 5615, 7118, 8984, 11230, 14236, 17795, 22460, 28472, 35590, 44920, 71180, 142360, 3996757, 7993514, 15987028, 19983785, 31974056, 39967570, 79935140, 159870280]

約数ペア:

[(1, 159870280), (2, 79935140), (4, 39967570), (5, 31974056), (8, 19983785), (10, 15987028), (20, 7993514), (40, 3996757), (1123, 142360), (2246, 71180), (3559, 44920), (4492, 35590), (5615, 28472), (7118, 22460), (8984, 17795), (11230, 14236)]