79080820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43451}}^1$

素因数の和:43480

約数の個数: 48

約数和(自身を含む): 204398208

約数和(自身を除く): 125317388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 43451, 86902, 173804, 217255, 304157, 434510, 564863, 608314, 869020, 1129726, 1216628, 1520785, 2259452, 2824315, 3041570, 3954041, 5648630, 6083140, 7908082, 11297260, 15816164, 19770205, 39540410, 79080820]

約数ペア:

[(1, 79080820), (2, 39540410), (4, 19770205), (5, 15816164), (7, 11297260), (10, 7908082), (13, 6083140), (14, 5648630), (20, 3954041), (26, 3041570), (28, 2824315), (35, 2259452), (52, 1520785), (65, 1216628), (70, 1129726), (91, 869020), (130, 608314), (140, 564863), (182, 434510), (260, 304157), (364, 217255), (455, 173804), (910, 86902), (1820, 43451)]