80702740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{237361}}^1$

素因数の和:237387

約数の個数: 24

約数和(自身を含む): 179445672

約数和(自身を除く): 98742932

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 237361, 474722, 949444, 1186805, 2373610, 4035137, 4747220, 8070274, 16140548, 20175685, 40351370, 80702740]

約数ペア:

[(1, 80702740), (2, 40351370), (4, 20175685), (5, 16140548), (10, 8070274), (17, 4747220), (20, 4035137), (34, 2373610), (68, 1186805), (85, 949444), (170, 474722), (340, 237361)]