156913214680

素因数分解:

$2^3\times 5^1\times {\mathrm{23857}}^1\times {\mathrm{164431}}^1$

素因数の和:188299

約数の個数: 32

約数和(自身を含む): 353071679040

約数和(自身を除く): 196158464360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 23857, 47714, 95428, 119285, 164431, 190856, 238570, 328862, 477140, 657724, 822155, 954280, 1315448, 1644310, 3288620, 6577240, 3922830367, 7845660734, 15691321468, 19614151835, 31382642936, 39228303670, 78456607340, 156913214680]

約数ペア:

[(1, 156913214680), (2, 78456607340), (4, 39228303670), (5, 31382642936), (8, 19614151835), (10, 15691321468), (20, 7845660734), (40, 3922830367), (23857, 6577240), (47714, 3288620), (95428, 1644310), (119285, 1315448), (164431, 954280), (190856, 822155), (238570, 657724), (328862, 477140)]