838480

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:283

約数の個数: 40

約数和(自身を含む): 1999872

約数和(自身を除く): 1161392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 223, 235, 376, 446, 470, 752, 892, 940, 1115, 1784, 1880, 2230, 3568, 3760, 4460, 8920, 10481, 17840, 20962, 41924, 52405, 83848, 104810, 167696, 209620, 419240, 838480]

約数ペア:

[(1, 838480), (2, 419240), (4, 209620), (5, 167696), (8, 104810), (10, 83848), (16, 52405), (20, 41924), (40, 20962), (47, 17840), (80, 10481), (94, 8920), (188, 4460), (223, 3760), (235, 3568), (376, 2230), (446, 1880), (470, 1784), (752, 1115), (892, 940)]