28065830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16607}}^1$

素因数の和:16640

約数の個数: 24

約数和(自身を含む): 54706752

約数和(自身を除く): 26640922

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 16607, 33214, 83035, 166070, 215891, 431782, 1079455, 2158910, 2806583, 5613166, 14032915, 28065830]

約数ペア:

[(1, 28065830), (2, 14032915), (5, 5613166), (10, 2806583), (13, 2158910), (26, 1079455), (65, 431782), (130, 215891), (169, 166070), (338, 83035), (845, 33214), (1690, 16607)]