2831120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{823}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 6743616

約数和(自身を除く): 3912496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 823, 860, 1646, 1720, 3292, 3440, 4115, 6584, 8230, 13168, 16460, 32920, 35389, 65840, 70778, 141556, 176945, 283112, 353890, 566224, 707780, 1415560, 2831120]

約数ペア:

[(1, 2831120), (2, 1415560), (4, 707780), (5, 566224), (8, 353890), (10, 283112), (16, 176945), (20, 141556), (40, 70778), (43, 65840), (80, 35389), (86, 32920), (172, 16460), (215, 13168), (344, 8230), (430, 6584), (688, 4115), (823, 3440), (860, 3292), (1646, 1720)]