313502080

素因数分解:

$2^7\times 5^1\times {\mathrm{489847}}^1$

素因数の和:489866

約数の個数: 32

約数和(自身を含む): 749467440

約数和(自身を除く): 435965360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 489847, 979694, 1959388, 2449235, 3918776, 4898470, 7837552, 9796940, 15675104, 19593880, 31350208, 39187760, 62700416, 78375520, 156751040, 313502080]

約数ペア:

[(1, 313502080), (2, 156751040), (4, 78375520), (5, 62700416), (8, 39187760), (10, 31350208), (16, 19593880), (20, 15675104), (32, 9796940), (40, 7837552), (64, 4898470), (80, 3918776), (128, 2449235), (160, 1959388), (320, 979694), (640, 489847)]