40689248

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{17909}}^1$

素因数の和:17990

約数の個数: 24

約数和(自身を含む): 81239760

約数和(自身を除く): 40550512

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 17909, 35818, 71636, 143272, 286544, 573088, 1271539, 2543078, 5086156, 10172312, 20344624, 40689248]

約数ペア:

[(1, 40689248), (2, 20344624), (4, 10172312), (8, 5086156), (16, 2543078), (32, 1271539), (71, 573088), (142, 286544), (284, 143272), (568, 71636), (1136, 35818), (2272, 17909)]