80454040

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13499}}^1$

素因数の和:13659

約数の個数: 32

約数和(自身を含む): 182250000

約数和(自身を除く): 101795960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 13499, 26998, 53996, 67495, 107992, 134990, 269980, 539960, 2011351, 4022702, 8045404, 10056755, 16090808, 20113510, 40227020, 80454040]

約数ペア:

[(1, 80454040), (2, 40227020), (4, 20113510), (5, 16090808), (8, 10056755), (10, 8045404), (20, 4022702), (40, 2011351), (149, 539960), (298, 269980), (596, 134990), (745, 107992), (1192, 67495), (1490, 53996), (2980, 26998), (5960, 13499)]