16772720

素因数分解:

$2^4\times 5^1\times {\mathrm{209659}}^1$

素因数の和:209672

約数の個数: 20

約数和(自身を含む): 38996760

約数和(自身を除く): 22224040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 209659, 419318, 838636, 1048295, 1677272, 2096590, 3354544, 4193180, 8386360, 16772720]

約数ペア:

[(1, 16772720), (2, 8386360), (4, 4193180), (5, 3354544), (8, 2096590), (10, 1677272), (16, 1048295), (20, 838636), (40, 419318), (80, 209659)]