7828640

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 18701928

約数和(自身を除く): 10873288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 433, 452, 565, 866, 904, 1130, 1732, 1808, 2165, 2260, 3464, 3616, 4330, 4520, 6928, 8660, 9040, 13856, 17320, 18080, 34640, 48929, 69280, 97858, 195716, 244645, 391432, 489290, 782864, 978580, 1565728, 1957160, 3914320, 7828640]

約数ペア:

[(1, 7828640), (2, 3914320), (4, 1957160), (5, 1565728), (8, 978580), (10, 782864), (16, 489290), (20, 391432), (32, 244645), (40, 195716), (80, 97858), (113, 69280), (160, 48929), (226, 34640), (433, 18080), (452, 17320), (565, 13856), (866, 9040), (904, 8660), (1130, 6928), (1732, 4520), (1808, 4330), (2165, 3616), (2260, 3464)]