201919280

素因数分解:

$2^4\times 5^1\times {\mathrm{2523991}}^1$

素因数の和:2524004

約数の個数: 20

約数和(自身を含む): 469462512

約数和(自身を除く): 267543232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2523991, 5047982, 10095964, 12619955, 20191928, 25239910, 40383856, 50479820, 100959640, 201919280]

約数ペア:

[(1, 201919280), (2, 100959640), (4, 50479820), (5, 40383856), (8, 25239910), (10, 20191928), (16, 12619955), (20, 10095964), (40, 5047982), (80, 2523991)]