856640

素因数分解:

$2^6\times 5^1\times {\mathrm{2677}}^1$

素因数の和:2694

約数の個数: 28

約数和(自身を含む): 2040636

約数和(自身を除く): 1183996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2677, 5354, 10708, 13385, 21416, 26770, 42832, 53540, 85664, 107080, 171328, 214160, 428320, 856640]

約数ペア:

[(1, 856640), (2, 428320), (4, 214160), (5, 171328), (8, 107080), (10, 85664), (16, 53540), (20, 42832), (32, 26770), (40, 21416), (64, 13385), (80, 10708), (160, 5354), (320, 2677)]