8640190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66463}}^1$

素因数の和:66483

約数の個数: 16

約数和(自身を含む): 16748928

約数和(自身を除く): 8108738

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 66463, 132926, 332315, 664630, 864019, 1728038, 4320095, 8640190]

約数ペア:

[(1, 8640190), (2, 4320095), (5, 1728038), (10, 864019), (13, 664630), (26, 332315), (65, 132926), (130, 66463)]