816320

素因数分解:

$2^6\times 5^1\times {\mathrm{2551}}^1$

素因数の和:2568

約数の個数: 28

約数和(自身を含む): 1944624

約数和(自身を除く): 1128304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2551, 5102, 10204, 12755, 20408, 25510, 40816, 51020, 81632, 102040, 163264, 204080, 408160, 816320]

約数ペア:

[(1, 816320), (2, 408160), (4, 204080), (5, 163264), (8, 102040), (10, 81632), (16, 51020), (20, 40816), (32, 25510), (40, 20408), (64, 12755), (80, 10204), (160, 5102), (320, 2551)]