812480

素因数分解:

$2^6\times 5^1\times {\mathrm{2539}}^1$

素因数の和:2556

約数の個数: 28

約数和(自身を含む): 1935480

約数和(自身を除く): 1123000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2539, 5078, 10156, 12695, 20312, 25390, 40624, 50780, 81248, 101560, 162496, 203120, 406240, 812480]

約数ペア:

[(1, 812480), (2, 406240), (4, 203120), (5, 162496), (8, 101560), (10, 81248), (16, 50780), (20, 40624), (32, 25390), (40, 20312), (64, 12695), (80, 10156), (160, 5078), (320, 2539)]