65333780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{9049}}^1$

素因数の和:9096

約数の個数: 36

約数和(自身を含む): 144818100

約数和(自身を除く): 79484320

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 9049, 18098, 36196, 45245, 90490, 171931, 180980, 343862, 687724, 859655, 1719310, 3266689, 3438620, 6533378, 13066756, 16333445, 32666890, 65333780]

約数ペア:

[(1, 65333780), (2, 32666890), (4, 16333445), (5, 13066756), (10, 6533378), (19, 3438620), (20, 3266689), (38, 1719310), (76, 859655), (95, 687724), (190, 343862), (361, 180980), (380, 171931), (722, 90490), (1444, 45245), (1805, 36196), (3610, 18098), (7220, 9049)]