80653880

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42901}}^1$

素因数の和:42959

約数の個数: 32

約数和(自身を含む): 185336640

約数和(自身を除く): 104682760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 42901, 85802, 171604, 214505, 343208, 429010, 858020, 1716040, 2016347, 4032694, 8065388, 10081735, 16130776, 20163470, 40326940, 80653880]

約数ペア:

[(1, 80653880), (2, 40326940), (4, 20163470), (5, 16130776), (8, 10081735), (10, 8065388), (20, 4032694), (40, 2016347), (47, 1716040), (94, 858020), (188, 429010), (235, 343208), (376, 214505), (470, 171604), (940, 85802), (1880, 42901)]