65207440

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3863}}^1$

素因数の和:4087

約数の個数: 40

約数和(自身を含む): 152365248

約数和(自身を除く): 87157808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 3863, 4220, 7726, 8440, 15452, 16880, 19315, 30904, 38630, 61808, 77260, 154520, 309040, 815093, 1630186, 3260372, 4075465, 6520744, 8150930, 13041488, 16301860, 32603720, 65207440]

約数ペア:

[(1, 65207440), (2, 32603720), (4, 16301860), (5, 13041488), (8, 8150930), (10, 6520744), (16, 4075465), (20, 3260372), (40, 1630186), (80, 815093), (211, 309040), (422, 154520), (844, 77260), (1055, 61808), (1688, 38630), (2110, 30904), (3376, 19315), (3863, 16880), (4220, 15452), (7726, 8440)]