169440340

素因数分解:

$2^2\times 5^1\times {\mathrm{8472017}}^1$

素因数の和:8472026

約数の個数: 12

約数和(自身を含む): 355824756

約数和(自身を除く): 186384416

約数列:

[1, 2, 4, 5, 10, 20, 8472017, 16944034, 33888068, 42360085, 84720170, 169440340]

約数ペア:

[(1, 169440340), (2, 84720170), (4, 42360085), (5, 33888068), (10, 16944034), (20, 8472017)]