81470297800

素因数分解:

$2^3\times 5^2\times {\mathrm{407351489}}^1$

素因数の和:407351505

約数の個数: 24

約数和(自身を含む): 189418442850

約数和(自身を除く): 107948145050

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 407351489, 814702978, 1629405956, 2036757445, 3258811912, 4073514890, 8147029780, 10183787225, 16294059560, 20367574450, 40735148900, 81470297800]

約数ペア:

[(1, 81470297800), (2, 40735148900), (4, 20367574450), (5, 16294059560), (8, 10183787225), (10, 8147029780), (20, 4073514890), (25, 3258811912), (40, 2036757445), (50, 1629405956), (100, 814702978), (200, 407351489)]