85290280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29209}}^1$

素因数の和:29293

約数の個数: 32

約数和(自身を含む): 194538600

約数和(自身を除く): 109248320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 29209, 58418, 116836, 146045, 233672, 292090, 584180, 1168360, 2132257, 4264514, 8529028, 10661285, 17058056, 21322570, 42645140, 85290280]

約数ペア:

[(1, 85290280), (2, 42645140), (4, 21322570), (5, 17058056), (8, 10661285), (10, 8529028), (20, 4264514), (40, 2132257), (73, 1168360), (146, 584180), (292, 292090), (365, 233672), (584, 146045), (730, 116836), (1460, 58418), (2920, 29209)]