131435600

素因数分解:

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

素因数の和:328607

約数の個数: 30

約数和(自身を含む): 315774990

約数和(自身を除く): 184339390

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 328589, 657178, 1314356, 1642945, 2628712, 3285890, 5257424, 6571780, 8214725, 13143560, 16429450, 26287120, 32858900, 65717800, 131435600]

約数ペア:

[(1, 131435600), (2, 65717800), (4, 32858900), (5, 26287120), (8, 16429450), (10, 13143560), (16, 8214725), (20, 6571780), (25, 5257424), (40, 3285890), (50, 2628712), (80, 1642945), (100, 1314356), (200, 657178), (400, 328589)]