56640520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74527}}^1$

素因数の和:74557

約数の個数: 32

約数和(自身を含む): 134150400

約数和(自身を除く): 77509880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 74527, 149054, 298108, 372635, 596216, 745270, 1416013, 1490540, 2832026, 2981080, 5664052, 7080065, 11328104, 14160130, 28320260, 56640520]

約数ペア:

[(1, 56640520), (2, 28320260), (4, 14160130), (5, 11328104), (8, 7080065), (10, 5664052), (19, 2981080), (20, 2832026), (38, 1490540), (40, 1416013), (76, 745270), (95, 596216), (152, 372635), (190, 298108), (380, 149054), (760, 74527)]