39907520

素因数分解:

$2^6\times 5^1\times {\mathrm{311}}^1\times {\mathrm{401}}^1$

素因数の和:729

約数の個数: 56

約数和(自身を含む): 95573088

約数和(自身を除く): 55665568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 311, 320, 401, 622, 802, 1244, 1555, 1604, 2005, 2488, 3110, 3208, 4010, 4976, 6220, 6416, 8020, 9952, 12440, 12832, 16040, 19904, 24880, 25664, 32080, 49760, 64160, 99520, 124711, 128320, 249422, 498844, 623555, 997688, 1247110, 1995376, 2494220, 3990752, 4988440, 7981504, 9976880, 19953760, 39907520]

約数ペア:

[(1, 39907520), (2, 19953760), (4, 9976880), (5, 7981504), (8, 4988440), (10, 3990752), (16, 2494220), (20, 1995376), (32, 1247110), (40, 997688), (64, 623555), (80, 498844), (160, 249422), (311, 128320), (320, 124711), (401, 99520), (622, 64160), (802, 49760), (1244, 32080), (1555, 25664), (1604, 24880), (2005, 19904), (2488, 16040), (3110, 12832), (3208, 12440), (4010, 9952), (4976, 8020), (6220, 6416)]