66038890

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{74201}}^1$

素因数の和:74297

約数の個数: 16

約数和(自身を含む): 120207240

約数和(自身を除く): 54168350

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 74201, 148402, 371005, 742010, 6603889, 13207778, 33019445, 66038890]

約数ペア:

[(1, 66038890), (2, 33019445), (5, 13207778), (10, 6603889), (89, 742010), (178, 371005), (445, 148402), (890, 74201)]