78940480

素因数分解:

$2^6\times 5^1\times {\mathrm{246689}}^1$

素因数の和:246706

約数の個数: 28

約数和(自身を含む): 187977780

約数和(自身を除く): 109037300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 246689, 493378, 986756, 1233445, 1973512, 2466890, 3947024, 4933780, 7894048, 9867560, 15788096, 19735120, 39470240, 78940480]

約数ペア:

[(1, 78940480), (2, 39470240), (4, 19735120), (5, 15788096), (8, 9867560), (10, 7894048), (16, 4933780), (20, 3947024), (32, 2466890), (40, 1973512), (64, 1233445), (80, 986756), (160, 493378), (320, 246689)]