27839920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8093}}^1$

素因数の和:8149

約数の個数: 40

約数和(自身を含む): 66241296

約数和(自身を除く): 38401376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8093, 16186, 32372, 40465, 64744, 80930, 129488, 161860, 323720, 347999, 647440, 695998, 1391996, 1739995, 2783992, 3479990, 5567984, 6959980, 13919960, 27839920]

約数ペア:

[(1, 27839920), (2, 13919960), (4, 6959980), (5, 5567984), (8, 3479990), (10, 2783992), (16, 1739995), (20, 1391996), (40, 695998), (43, 647440), (80, 347999), (86, 323720), (172, 161860), (215, 129488), (344, 80930), (430, 64744), (688, 40465), (860, 32372), (1720, 16186), (3440, 8093)]