7290520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1879}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 16581600

約数和(自身を除く): 9291080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1879, 1940, 3758, 3880, 7516, 9395, 15032, 18790, 37580, 75160, 182263, 364526, 729052, 911315, 1458104, 1822630, 3645260, 7290520]

約数ペア:

[(1, 7290520), (2, 3645260), (4, 1822630), (5, 1458104), (8, 911315), (10, 729052), (20, 364526), (40, 182263), (97, 75160), (194, 37580), (388, 18790), (485, 15032), (776, 9395), (970, 7516), (1879, 3880), (1940, 3758)]