9711880

素因数分解:

$2^3\times 5^1\times {\mathrm{242797}}^1$

素因数の和:242808

約数の個数: 16

約数和(自身を含む): 21851820

約数和(自身を除く): 12139940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 242797, 485594, 971188, 1213985, 1942376, 2427970, 4855940, 9711880]

約数ペア:

[(1, 9711880), (2, 4855940), (4, 2427970), (5, 1942376), (8, 1213985), (10, 971188), (20, 485594), (40, 242797)]