13989040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13451}}^1$

素因数の和:13477

約数の個数: 40

約数和(自身を含む): 35029008

約数和(自身を除く): 21039968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 13451, 26902, 53804, 67255, 107608, 134510, 174863, 215216, 269020, 349726, 538040, 699452, 874315, 1076080, 1398904, 1748630, 2797808, 3497260, 6994520, 13989040]

約数ペア:

[(1, 13989040), (2, 6994520), (4, 3497260), (5, 2797808), (8, 1748630), (10, 1398904), (13, 1076080), (16, 874315), (20, 699452), (26, 538040), (40, 349726), (52, 269020), (65, 215216), (80, 174863), (104, 134510), (130, 107608), (208, 67255), (260, 53804), (520, 26902), (1040, 13451)]