520045940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{329143}}^1$

素因数の和:329231

約数の個数: 24

約数和(自身を含む): 1105923840

約数和(自身を除く): 585877900

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 329143, 658286, 1316572, 1645715, 3291430, 6582860, 26002297, 52004594, 104009188, 130011485, 260022970, 520045940]

約数ペア:

[(1, 520045940), (2, 260022970), (4, 130011485), (5, 104009188), (10, 52004594), (20, 26002297), (79, 6582860), (158, 3291430), (316, 1645715), (395, 1316572), (790, 658286), (1580, 329143)]