9971920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17807}}^1$

素因数の和:17827

約数の個数: 40

約数和(自身を含む): 26498304

約数和(自身を除く): 16526384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 17807, 35614, 71228, 89035, 124649, 142456, 178070, 249298, 284912, 356140, 498596, 623245, 712280, 997192, 1246490, 1424560, 1994384, 2492980, 4985960, 9971920]

約数ペア:

[(1, 9971920), (2, 4985960), (4, 2492980), (5, 1994384), (7, 1424560), (8, 1246490), (10, 997192), (14, 712280), (16, 623245), (20, 498596), (28, 356140), (35, 284912), (40, 249298), (56, 178070), (70, 142456), (80, 124649), (112, 89035), (140, 71228), (280, 35614), (560, 17807)]