80865820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{577613}}^1$

素因数の和:577629

約数の個数: 24

約数和(自身を含む): 194078304

約数和(自身を除く): 113212484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 577613, 1155226, 2310452, 2888065, 4043291, 5776130, 8086582, 11552260, 16173164, 20216455, 40432910, 80865820]

約数ペア:

[(1, 80865820), (2, 40432910), (4, 20216455), (5, 16173164), (7, 11552260), (10, 8086582), (14, 5776130), (20, 4043291), (28, 2888065), (35, 2310452), (70, 1155226), (140, 577613)]