72162005

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{131}}^2$

素因数の和:325

約数の個数: 18

約数和(自身を含む): 90373218

約数和(自身を除く): 18211213

約数列:

[1, 5, 29, 131, 145, 655, 841, 3799, 4205, 17161, 18995, 85805, 110171, 497669, 550855, 2488345, 14432401, 72162005]

約数ペア:

[(1, 72162005), (5, 14432401), (29, 2488345), (131, 550855), (145, 497669), (655, 110171), (841, 85805), (3799, 18995), (4205, 17161)]