205651240

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{6247}}^1$

素因数の和:7081

約数の個数: 32

約数和(自身を含む): 463351680

約数和(自身を除く): 257700440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1646, 3292, 4115, 6247, 6584, 8230, 12494, 16460, 24988, 31235, 32920, 49976, 62470, 124940, 249880, 5141281, 10282562, 20565124, 25706405, 41130248, 51412810, 102825620, 205651240]

約数ペア:

[(1, 205651240), (2, 102825620), (4, 51412810), (5, 41130248), (8, 25706405), (10, 20565124), (20, 10282562), (40, 5141281), (823, 249880), (1646, 124940), (3292, 62470), (4115, 49976), (6247, 32920), (6584, 31235), (8230, 24988), (12494, 16460)]