65382640

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17389}}^1$

素因数の和:17449

約数の個数: 40

約数和(自身を含む): 155257920

約数和(自身を除く): 89875280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 17389, 34778, 69556, 86945, 139112, 173890, 278224, 347780, 695560, 817283, 1391120, 1634566, 3269132, 4086415, 6538264, 8172830, 13076528, 16345660, 32691320, 65382640]

約数ペア:

[(1, 65382640), (2, 32691320), (4, 16345660), (5, 13076528), (8, 8172830), (10, 6538264), (16, 4086415), (20, 3269132), (40, 1634566), (47, 1391120), (80, 817283), (94, 695560), (188, 347780), (235, 278224), (376, 173890), (470, 139112), (752, 86945), (940, 69556), (1880, 34778), (3760, 17389)]