71856440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41777}}^1$

素因数の和:41831

約数の個数: 32

約数和(自身を含む): 165440880

約数和(自身を除く): 93584440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41777, 83554, 167108, 208885, 334216, 417770, 835540, 1671080, 1796411, 3592822, 7185644, 8982055, 14371288, 17964110, 35928220, 71856440]

約数ペア:

[(1, 71856440), (2, 35928220), (4, 17964110), (5, 14371288), (8, 8982055), (10, 7185644), (20, 3592822), (40, 1796411), (43, 1671080), (86, 835540), (172, 417770), (215, 334216), (344, 208885), (430, 167108), (860, 83554), (1720, 41777)]