397075520

素因数分解:

$2^6\times 5^1\times {\mathrm{1240861}}^1$

素因数の和:1240878

約数の個数: 28

約数和(自身を含む): 945536844

約数和(自身を除く): 548461324

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1240861, 2481722, 4963444, 6204305, 9926888, 12408610, 19853776, 24817220, 39707552, 49634440, 79415104, 99268880, 198537760, 397075520]

約数ペア:

[(1, 397075520), (2, 198537760), (4, 99268880), (5, 79415104), (8, 49634440), (10, 39707552), (16, 24817220), (20, 19853776), (32, 12408610), (40, 9926888), (64, 6204305), (80, 4963444), (160, 2481722), (320, 1240861)]