86870240

素因数分解:

$2^5\times 5^1\times {\mathrm{542939}}^1$

素因数の和:542954

約数の個数: 24

約数和(自身を含む): 205231320

約数和(自身を除く): 118361080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 542939, 1085878, 2171756, 2714695, 4343512, 5429390, 8687024, 10858780, 17374048, 21717560, 43435120, 86870240]

約数ペア:

[(1, 86870240), (2, 43435120), (4, 21717560), (5, 17374048), (8, 10858780), (10, 8687024), (16, 5429390), (20, 4343512), (32, 2714695), (40, 2171756), (80, 1085878), (160, 542939)]