2107788820

素因数分解:

$2^2\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{71161}}^1$

素因数の和:72651

約数の個数: 24

約数和(自身を含む): 4429407528

約数和(自身を除く): 2321618708

約数列:

[1, 2, 4, 5, 10, 20, 1481, 2962, 5924, 7405, 14810, 29620, 71161, 142322, 284644, 355805, 711610, 1423220, 105389441, 210778882, 421557764, 526947205, 1053894410, 2107788820]

約数ペア:

[(1, 2107788820), (2, 1053894410), (4, 526947205), (5, 421557764), (10, 210778882), (20, 105389441), (1481, 1423220), (2962, 711610), (5924, 355805), (7405, 284644), (14810, 142322), (29620, 71161)]