2547950

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:532

約数の個数: 24

約数和(自身を含む): 4787640

約数和(自身を除く): 2239690

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 389, 655, 778, 1310, 1945, 3275, 3890, 6550, 9725, 19450, 50959, 101918, 254795, 509590, 1273975, 2547950]

約数ペア:

[(1, 2547950), (2, 1273975), (5, 509590), (10, 254795), (25, 101918), (50, 50959), (131, 19450), (262, 9725), (389, 6550), (655, 3890), (778, 3275), (1310, 1945)]