390051520

素因数分解:

$2^6\times 5^1\times {\mathrm{1218911}}^1$

素因数の和:1218928

約数の個数: 28

約数和(自身を含む): 928810944

約数和(自身を除く): 538759424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1218911, 2437822, 4875644, 6094555, 9751288, 12189110, 19502576, 24378220, 39005152, 48756440, 78010304, 97512880, 195025760, 390051520]

約数ペア:

[(1, 390051520), (2, 195025760), (4, 97512880), (5, 78010304), (8, 48756440), (10, 39005152), (16, 24378220), (20, 19502576), (32, 12189110), (40, 9751288), (64, 6094555), (80, 4875644), (160, 2437822), (320, 1218911)]