80520110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{2039}}^1$

素因数の和:2416

約数の個数: 32

約数和(自身を含む): 158630400

約数和(自身を除く): 78110290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 359, 718, 1795, 2039, 3590, 3949, 4078, 7898, 10195, 19745, 20390, 22429, 39490, 44858, 112145, 224290, 732001, 1464002, 3660005, 7320010, 8052011, 16104022, 40260055, 80520110]

約数ペア:

[(1, 80520110), (2, 40260055), (5, 16104022), (10, 8052011), (11, 7320010), (22, 3660005), (55, 1464002), (110, 732001), (359, 224290), (718, 112145), (1795, 44858), (2039, 39490), (3590, 22429), (3949, 20390), (4078, 19745), (7898, 10195)]