12949040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12451}}^1$

素因数の和:12477

約数の個数: 40

約数和(自身を含む): 32425008

約数和(自身を除く): 19475968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 12451, 24902, 49804, 62255, 99608, 124510, 161863, 199216, 249020, 323726, 498040, 647452, 809315, 996080, 1294904, 1618630, 2589808, 3237260, 6474520, 12949040]

約数ペア:

[(1, 12949040), (2, 6474520), (4, 3237260), (5, 2589808), (8, 1618630), (10, 1294904), (13, 996080), (16, 809315), (20, 647452), (26, 498040), (40, 323726), (52, 249020), (65, 199216), (80, 161863), (104, 124510), (130, 99608), (208, 62255), (260, 49804), (520, 24902), (1040, 12451)]