80456900

素因数分解:

$2^2\times 5^2\times {\mathrm{283}}^1\times {\mathrm{2843}}^1$

素因数の和:3140

約数の個数: 36

約数和(自身を含む): 175270032

約数和(自身を除く): 94813132

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 283, 566, 1132, 1415, 2830, 2843, 5660, 5686, 7075, 11372, 14150, 14215, 28300, 28430, 56860, 71075, 142150, 284300, 804569, 1609138, 3218276, 4022845, 8045690, 16091380, 20114225, 40228450, 80456900]

約数ペア:

[(1, 80456900), (2, 40228450), (4, 20114225), (5, 16091380), (10, 8045690), (20, 4022845), (25, 3218276), (50, 1609138), (100, 804569), (283, 284300), (566, 142150), (1132, 71075), (1415, 56860), (2830, 28430), (2843, 28300), (5660, 14215), (5686, 14150), (7075, 11372)]