85771640

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7577}}^1$

素因数の和:7871

約数の個数: 32

約数和(自身を含む): 193693680

約数和(自身を除く): 107922040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 7577, 11320, 15154, 30308, 37885, 60616, 75770, 151540, 303080, 2144291, 4288582, 8577164, 10721455, 17154328, 21442910, 42885820, 85771640]

約数ペア:

[(1, 85771640), (2, 42885820), (4, 21442910), (5, 17154328), (8, 10721455), (10, 8577164), (20, 4288582), (40, 2144291), (283, 303080), (566, 151540), (1132, 75770), (1415, 60616), (2264, 37885), (2830, 30308), (5660, 15154), (7577, 11320)]