8742320

素因数分解:

$2^4\times 5^1\times {\mathrm{109279}}^1$

素因数の和:109292

約数の個数: 20

約数和(自身を含む): 20326080

約数和(自身を除く): 11583760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109279, 218558, 437116, 546395, 874232, 1092790, 1748464, 2185580, 4371160, 8742320]

約数ペア:

[(1, 8742320), (2, 4371160), (4, 2185580), (5, 1748464), (8, 1092790), (10, 874232), (16, 546395), (20, 437116), (40, 218558), (80, 109279)]