88027640

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8563}}^1$

素因数の和:8831

約数の個数: 32

約数和(自身を含む): 198856080

約数和(自身を除く): 110828440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 8563, 10280, 17126, 34252, 42815, 68504, 85630, 171260, 342520, 2200691, 4401382, 8802764, 11003455, 17605528, 22006910, 44013820, 88027640]

約数ペア:

[(1, 88027640), (2, 44013820), (4, 22006910), (5, 17605528), (8, 11003455), (10, 8802764), (20, 4401382), (40, 2200691), (257, 342520), (514, 171260), (1028, 85630), (1285, 68504), (2056, 42815), (2570, 34252), (5140, 17126), (8563, 10280)]