40170544

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{80989}}^1$

素因数の和:81028

約数の個数: 20

約数和(自身を含む): 80342080

約数和(自身を除く): 40171536

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 80989, 161978, 323956, 647912, 1295824, 2510659, 5021318, 10042636, 20085272, 40170544]

約数ペア:

[(1, 40170544), (2, 20085272), (4, 10042636), (8, 5021318), (16, 2510659), (31, 1295824), (62, 647912), (124, 323956), (248, 161978), (496, 80989)]