128840104

素因数分解:

$2^3\times {\mathrm{631}}^1\times {\mathrm{25523}}^1$

素因数の和:26160

約数の個数: 16

約数和(自身を含む): 241967520

約数和(自身を除く): 113127416

約数列:

[1, 2, 4, 8, 631, 1262, 2524, 5048, 25523, 51046, 102092, 204184, 16105013, 32210026, 64420052, 128840104]

約数ペア:

[(1, 128840104), (2, 64420052), (4, 32210026), (8, 16105013), (631, 204184), (1262, 102092), (2524, 51046), (5048, 25523)]