8981620

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1879}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 18950400

約数和(自身を除く): 9968780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 1879, 2390, 3758, 4780, 7516, 9395, 18790, 37580, 449081, 898162, 1796324, 2245405, 4490810, 8981620]

約数ペア:

[(1, 8981620), (2, 4490810), (4, 2245405), (5, 1796324), (10, 898162), (20, 449081), (239, 37580), (478, 18790), (956, 9395), (1195, 7516), (1879, 4780), (2390, 3758)]