28516120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13451}}^1$

素因数の和:13515

約数の個数: 32

約数和(自身を含む): 65376720

約数和(自身を除く): 36860600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13451, 26902, 53804, 67255, 107608, 134510, 269020, 538040, 712903, 1425806, 2851612, 3564515, 5703224, 7129030, 14258060, 28516120]

約数ペア:

[(1, 28516120), (2, 14258060), (4, 7129030), (5, 5703224), (8, 3564515), (10, 2851612), (20, 1425806), (40, 712903), (53, 538040), (106, 269020), (212, 134510), (265, 107608), (424, 67255), (530, 53804), (1060, 26902), (2120, 13451)]