80421310

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{40823}}^1$

素因数の和:41027

約数の個数: 16

約数和(自身を含む): 145496736

約数和(自身を除く): 65075426

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 40823, 81646, 204115, 408230, 8042131, 16084262, 40210655, 80421310]

約数ペア:

[(1, 80421310), (2, 40210655), (5, 16084262), (10, 8042131), (197, 408230), (394, 204115), (985, 81646), (1970, 40823)]