201739640

素因数分解:

$2^3\times 5^1\times {\mathrm{5043491}}^1$

素因数の和:5043502

約数の個数: 16

約数和(自身を含む): 453914280

約数和(自身を除く): 252174640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5043491, 10086982, 20173964, 25217455, 40347928, 50434910, 100869820, 201739640]

約数ペア:

[(1, 201739640), (2, 100869820), (4, 50434910), (5, 40347928), (8, 25217455), (10, 20173964), (20, 10086982), (40, 5043491)]