13012420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 28385280

約数和(自身を除く): 15372860

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 109, 127, 188, 218, 235, 254, 436, 470, 508, 545, 635, 940, 1090, 1270, 2180, 2540, 5123, 5969, 10246, 11938, 13843, 20492, 23876, 25615, 27686, 29845, 51230, 55372, 59690, 69215, 102460, 119380, 138430, 276860, 650621, 1301242, 2602484, 3253105, 6506210, 13012420]

約数ペア:

[(1, 13012420), (2, 6506210), (4, 3253105), (5, 2602484), (10, 1301242), (20, 650621), (47, 276860), (94, 138430), (109, 119380), (127, 102460), (188, 69215), (218, 59690), (235, 55372), (254, 51230), (436, 29845), (470, 27686), (508, 25615), (545, 23876), (635, 20492), (940, 13843), (1090, 11938), (1270, 10246), (2180, 5969), (2540, 5123)]