84511880

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8221}}^1$

素因数の和:8489

約数の個数: 32

約数和(自身を含む): 190914840

約数和(自身を除く): 106402960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 8221, 10280, 16442, 32884, 41105, 65768, 82210, 164420, 328840, 2112797, 4225594, 8451188, 10563985, 16902376, 21127970, 42255940, 84511880]

約数ペア:

[(1, 84511880), (2, 42255940), (4, 21127970), (5, 16902376), (8, 10563985), (10, 8451188), (20, 4225594), (40, 2112797), (257, 328840), (514, 164420), (1028, 82210), (1285, 65768), (2056, 41105), (2570, 32884), (5140, 16442), (8221, 10280)]