39158320

素因数分解:

$2^4\times 5^1\times {\mathrm{489479}}^1$

素因数の和:489492

約数の個数: 20

約数和(自身を含む): 91043280

約数和(自身を除く): 51884960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 489479, 978958, 1957916, 2447395, 3915832, 4894790, 7831664, 9789580, 19579160, 39158320]

約数ペア:

[(1, 39158320), (2, 19579160), (4, 9789580), (5, 7831664), (8, 4894790), (10, 3915832), (16, 2447395), (20, 1957916), (40, 978958), (80, 489479)]