13480720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15319}}^1$

素因数の和:15343

約数の個数: 40

約数和(自身を含む): 34194240

約数和(自身を除く): 20713520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 15319, 30638, 61276, 76595, 122552, 153190, 168509, 245104, 306380, 337018, 612760, 674036, 842545, 1225520, 1348072, 1685090, 2696144, 3370180, 6740360, 13480720]

約数ペア:

[(1, 13480720), (2, 6740360), (4, 3370180), (5, 2696144), (8, 1685090), (10, 1348072), (11, 1225520), (16, 842545), (20, 674036), (22, 612760), (40, 337018), (44, 306380), (55, 245104), (80, 168509), (88, 153190), (110, 122552), (176, 76595), (220, 61276), (440, 30638), (880, 15319)]