85487740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1187}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 194195232

約数和(自身を除く): 108707492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 1108, 1187, 1385, 2374, 2770, 3601, 4748, 5540, 5935, 7202, 11870, 14404, 15431, 18005, 23740, 30862, 36010, 61724, 72020, 77155, 154310, 308620, 328799, 657598, 1315196, 1643995, 3287990, 4274387, 6575980, 8548774, 17097548, 21371935, 42743870, 85487740]

約数ペア:

[(1, 85487740), (2, 42743870), (4, 21371935), (5, 17097548), (10, 8548774), (13, 6575980), (20, 4274387), (26, 3287990), (52, 1643995), (65, 1315196), (130, 657598), (260, 328799), (277, 308620), (554, 154310), (1108, 77155), (1187, 72020), (1385, 61724), (2374, 36010), (2770, 30862), (3601, 23740), (4748, 18005), (5540, 15431), (5935, 14404), (7202, 11870)]