522640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 1249920

約数和(自身を除く): 727280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 139, 188, 235, 278, 376, 470, 556, 695, 752, 940, 1112, 1390, 1880, 2224, 2780, 3760, 5560, 6533, 11120, 13066, 26132, 32665, 52264, 65330, 104528, 130660, 261320, 522640]

約数ペア:

[(1, 522640), (2, 261320), (4, 130660), (5, 104528), (8, 65330), (10, 52264), (16, 32665), (20, 26132), (40, 13066), (47, 11120), (80, 6533), (94, 5560), (139, 3760), (188, 2780), (235, 2224), (278, 1880), (376, 1390), (470, 1112), (556, 940), (695, 752)]