25804840

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{3863}}^1$

素因数の和:4041

約数の個数: 32

約数和(自身を含む): 58423680

約数和(自身を除く): 32618840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 3863, 6680, 7726, 15452, 19315, 30904, 38630, 77260, 154520, 645121, 1290242, 2580484, 3225605, 5160968, 6451210, 12902420, 25804840]

約数ペア:

[(1, 25804840), (2, 12902420), (4, 6451210), (5, 5160968), (8, 3225605), (10, 2580484), (20, 1290242), (40, 645121), (167, 154520), (334, 77260), (668, 38630), (835, 30904), (1336, 19315), (1670, 15452), (3340, 7726), (3863, 6680)]