9990280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10859}}^1$

素因数の和:10893

約数の個数: 32

約数和(自身を含む): 23457600

約数和(自身を除く): 13467320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 10859, 21718, 43436, 54295, 86872, 108590, 217180, 249757, 434360, 499514, 999028, 1248785, 1998056, 2497570, 4995140, 9990280]

約数ペア:

[(1, 9990280), (2, 4995140), (4, 2497570), (5, 1998056), (8, 1248785), (10, 999028), (20, 499514), (23, 434360), (40, 249757), (46, 217180), (92, 108590), (115, 86872), (184, 54295), (230, 43436), (460, 21718), (920, 10859)]