138161840

素因数分解:

$2^4\times 5^1\times {\mathrm{1727023}}^1$

素因数の和:1727036

約数の個数: 20

約数和(自身を含む): 321226464

約数和(自身を除く): 183064624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1727023, 3454046, 6908092, 8635115, 13816184, 17270230, 27632368, 34540460, 69080920, 138161840]

約数ペア:

[(1, 138161840), (2, 69080920), (4, 34540460), (5, 27632368), (8, 17270230), (10, 13816184), (16, 8635115), (20, 6908092), (40, 3454046), (80, 1727023)]