12359920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3593}}^1$

素因数の和:3649

約数の個数: 40

約数和(自身を含む): 29413296

約数和(自身を除く): 17053376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 3593, 7186, 14372, 17965, 28744, 35930, 57488, 71860, 143720, 154499, 287440, 308998, 617996, 772495, 1235992, 1544990, 2471984, 3089980, 6179960, 12359920]

約数ペア:

[(1, 12359920), (2, 6179960), (4, 3089980), (5, 2471984), (8, 1544990), (10, 1235992), (16, 772495), (20, 617996), (40, 308998), (43, 287440), (80, 154499), (86, 143720), (172, 71860), (215, 57488), (344, 35930), (430, 28744), (688, 17965), (860, 14372), (1720, 7186), (3440, 3593)]