7226440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1069}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 17622900

約数和(自身を除く): 10396460

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1069, 1352, 1690, 2138, 3380, 4276, 5345, 6760, 8552, 10690, 13897, 21380, 27794, 42760, 55588, 69485, 111176, 138970, 180661, 277940, 361322, 555880, 722644, 903305, 1445288, 1806610, 3613220, 7226440]

約数ペア:

[(1, 7226440), (2, 3613220), (4, 1806610), (5, 1445288), (8, 903305), (10, 722644), (13, 555880), (20, 361322), (26, 277940), (40, 180661), (52, 138970), (65, 111176), (104, 69485), (130, 55588), (169, 42760), (260, 27794), (338, 21380), (520, 13897), (676, 10690), (845, 8552), (1069, 6760), (1352, 5345), (1690, 4276), (2138, 3380)]