66040225

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:609

約数の個数: 24

約数和(自身を含む): 84235680

約数和(自身を除く): 18195455

約数列:

[1, 5, 25, 67, 89, 335, 443, 445, 1675, 2215, 2225, 5963, 11075, 29681, 29815, 39427, 148405, 149075, 197135, 742025, 985675, 2641609, 13208045, 66040225]

約数ペア:

[(1, 66040225), (5, 13208045), (25, 2641609), (67, 985675), (89, 742025), (335, 197135), (443, 149075), (445, 148405), (1675, 39427), (2215, 29815), (2225, 29681), (5963, 11075)]