26287120

素因数分解:

$2^4\times 5^1\times {\mathrm{328589}}^1$

素因数の和:328602

約数の個数: 20

約数和(自身を含む): 61117740

約数和(自身を除く): 34830620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 328589, 657178, 1314356, 1642945, 2628712, 3285890, 5257424, 6571780, 13143560, 26287120]

約数ペア:

[(1, 26287120), (2, 13143560), (4, 6571780), (5, 5257424), (8, 3285890), (10, 2628712), (16, 1642945), (20, 1314356), (40, 657178), (80, 328589)]