85468420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{51487}}^1$

素因数の和:51579

約数の個数: 24

約数和(自身を含む): 181649664

約数和(自身を除く): 96181244

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 51487, 102974, 205948, 257435, 514870, 1029740, 4273421, 8546842, 17093684, 21367105, 42734210, 85468420]

約数ペア:

[(1, 85468420), (2, 42734210), (4, 21367105), (5, 17093684), (10, 8546842), (20, 4273421), (83, 1029740), (166, 514870), (332, 257435), (415, 205948), (830, 102974), (1660, 51487)]