205412008

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{325019}}^1$

素因数の和:325104

約数の個数: 16

約数和(自身を含む): 390024000

約数和(自身を除く): 184611992

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 325019, 650038, 1300076, 2600152, 25676501, 51353002, 102706004, 205412008]

約数ペア:

[(1, 205412008), (2, 102706004), (4, 51353002), (8, 25676501), (79, 2600152), (158, 1300076), (316, 650038), (632, 325019)]