38784520

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3863}}^1$

素因数の和:4125

約数の個数: 32

約数和(自身を含む): 87635520

約数和(自身を除く): 48851000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 3863, 5020, 7726, 10040, 15452, 19315, 30904, 38630, 77260, 154520, 969613, 1939226, 3878452, 4848065, 7756904, 9696130, 19392260, 38784520]

約数ペア:

[(1, 38784520), (2, 19392260), (4, 9696130), (5, 7756904), (8, 4848065), (10, 3878452), (20, 1939226), (40, 969613), (251, 154520), (502, 77260), (1004, 38630), (1255, 30904), (2008, 19315), (2510, 15452), (3863, 10040), (5020, 7726)]