313048640

素因数分解:

$2^6\times 5^1\times {\mathrm{978277}}^1$

素因数の和:978294

約数の個数: 28

約数和(自身を含む): 745447836

約数和(自身を除く): 432399196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 978277, 1956554, 3913108, 4891385, 7826216, 9782770, 15652432, 19565540, 31304864, 39131080, 62609728, 78262160, 156524320, 313048640]

約数ペア:

[(1, 313048640), (2, 156524320), (4, 78262160), (5, 62609728), (8, 39131080), (10, 31304864), (16, 19565540), (20, 15652432), (32, 9782770), (40, 7826216), (64, 4891385), (80, 3913108), (160, 1956554), (320, 978277)]