80477480

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4583}}^1$

素因数の和:5033

約数の個数: 32

約数和(自身を含む): 181526400

約数和(自身を除く): 101048920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 4583, 8780, 9166, 17560, 18332, 22915, 36664, 45830, 91660, 183320, 2011937, 4023874, 8047748, 10059685, 16095496, 20119370, 40238740, 80477480]

約数ペア:

[(1, 80477480), (2, 40238740), (4, 20119370), (5, 16095496), (8, 10059685), (10, 8047748), (20, 4023874), (40, 2011937), (439, 183320), (878, 91660), (1756, 45830), (2195, 36664), (3512, 22915), (4390, 18332), (4583, 17560), (8780, 9166)]