27999820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45161}}^1$

素因数の和:45201

約数の個数: 24

約数和(自身を含む): 60697728

約数和(自身を除く): 32697908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45161, 90322, 180644, 225805, 451610, 903220, 1399991, 2799982, 5599964, 6999955, 13999910, 27999820]

約数ペア:

[(1, 27999820), (2, 13999910), (4, 6999955), (5, 5599964), (10, 2799982), (20, 1399991), (31, 903220), (62, 451610), (124, 225805), (155, 180644), (310, 90322), (620, 45161)]