85897940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{252641}}^1$

素因数の和:252667

約数の個数: 24

約数和(自身を含む): 190997352

約数和(自身を除く): 105099412

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 252641, 505282, 1010564, 1263205, 2526410, 4294897, 5052820, 8589794, 17179588, 21474485, 42948970, 85897940]

約数ペア:

[(1, 85897940), (2, 42948970), (4, 21474485), (5, 17179588), (10, 8589794), (17, 5052820), (20, 4294897), (34, 2526410), (68, 1263205), (85, 1010564), (170, 505282), (340, 252641)]