169483760

素因数分解:

$2^4\times 5^1\times {\mathrm{2118547}}^1$

素因数の和:2118560

約数の個数: 20

約数和(自身を含む): 394049928

約数和(自身を除く): 224566168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2118547, 4237094, 8474188, 10592735, 16948376, 21185470, 33896752, 42370940, 84741880, 169483760]

約数ペア:

[(1, 169483760), (2, 84741880), (4, 42370940), (5, 33896752), (8, 21185470), (10, 16948376), (16, 10592735), (20, 8474188), (40, 4237094), (80, 2118547)]