72601780

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{26497}}^1$

素因数の和:26643

約数の個数: 24

約数和(自身を含む): 153582408

約数和(自身を除く): 80980628

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 26497, 52994, 105988, 132485, 264970, 529940, 3630089, 7260178, 14520356, 18150445, 36300890, 72601780]

約数ペア:

[(1, 72601780), (2, 36300890), (4, 18150445), (5, 14520356), (10, 7260178), (20, 3630089), (137, 529940), (274, 264970), (548, 132485), (685, 105988), (1370, 52994), (2740, 26497)]