80529040

素因数分解:

$2^4\times 5^1\times {\mathrm{1006613}}^1$

素因数の和:1006626

約数の個数: 20

約数和(自身を含む): 187230204

約数和(自身を除く): 106701164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1006613, 2013226, 4026452, 5033065, 8052904, 10066130, 16105808, 20132260, 40264520, 80529040]

約数ペア:

[(1, 80529040), (2, 40264520), (4, 20132260), (5, 16105808), (8, 10066130), (10, 8052904), (16, 5033065), (20, 4026452), (40, 2013226), (80, 1006613)]