64011880

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{11681}}^1$

素因数の和:11829

約数の個数: 32

約数和(自身を含む): 145090440

約数和(自身を除く): 81078560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 11681, 23362, 46724, 58405, 93448, 116810, 233620, 467240, 1600297, 3200594, 6401188, 8001485, 12802376, 16002970, 32005940, 64011880]

約数ペア:

[(1, 64011880), (2, 32005940), (4, 16002970), (5, 12802376), (8, 8001485), (10, 6401188), (20, 3200594), (40, 1600297), (137, 467240), (274, 233620), (548, 116810), (685, 93448), (1096, 58405), (1370, 46724), (2740, 23362), (5480, 11681)]