13209920

素因数分解:

$2^6\times 5^1\times {\mathrm{41281}}^1$

素因数の和:41298

約数の個数: 28

約数和(自身を含む): 31456884

約数和(自身を除く): 18246964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 41281, 82562, 165124, 206405, 330248, 412810, 660496, 825620, 1320992, 1651240, 2641984, 3302480, 6604960, 13209920]

約数ペア:

[(1, 13209920), (2, 6604960), (4, 3302480), (5, 2641984), (8, 1651240), (10, 1320992), (16, 825620), (20, 660496), (32, 412810), (40, 330248), (64, 206405), (80, 165124), (160, 82562), (320, 41281)]