13638460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1386

約数の個数: 48

約数和(自身を含む): 31933440

約数和(自身を除く): 18294980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1319, 2068, 2585, 2638, 5170, 5276, 6595, 10340, 13190, 14509, 26380, 29018, 58036, 61993, 72545, 123986, 145090, 247972, 290180, 309965, 619930, 681923, 1239860, 1363846, 2727692, 3409615, 6819230, 13638460]

約数ペア:

[(1, 13638460), (2, 6819230), (4, 3409615), (5, 2727692), (10, 1363846), (11, 1239860), (20, 681923), (22, 619930), (44, 309965), (47, 290180), (55, 247972), (94, 145090), (110, 123986), (188, 72545), (220, 61993), (235, 58036), (470, 29018), (517, 26380), (940, 14509), (1034, 13190), (1319, 10340), (2068, 6595), (2585, 5276), (2638, 5170)]