40007536

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{17989}}^1$

素因数の和:18136

約数の個数: 20

約数和(自身を含む): 78076600

約数和(自身を除く): 38069064

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 17989, 35978, 71956, 143912, 287824, 2500471, 5000942, 10001884, 20003768, 40007536]

約数ペア:

[(1, 40007536), (2, 20003768), (4, 10001884), (8, 5000942), (16, 2500471), (139, 287824), (278, 143912), (556, 71956), (1112, 35978), (2224, 17989)]