28608325640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17444101}}^1$

素因数の和:17444153

約数の個数: 32

約数和(自身を含む): 65938705560

約数和(自身を除く): 37330379920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17444101, 34888202, 69776404, 87220505, 139552808, 174441010, 348882020, 697764040, 715208141, 1430416282, 2860832564, 3576040705, 5721665128, 7152081410, 14304162820, 28608325640]

約数ペア:

[(1, 28608325640), (2, 14304162820), (4, 7152081410), (5, 5721665128), (8, 3576040705), (10, 2860832564), (20, 1430416282), (40, 715208141), (41, 697764040), (82, 348882020), (164, 174441010), (205, 139552808), (328, 87220505), (410, 69776404), (820, 34888202), (1640, 17444101)]