51400120

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{4639}}^1$

素因数の和:4927

約数の個数: 32

約数和(自身を含む): 116092800

約数和(自身を除く): 64692680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2770, 4639, 5540, 9278, 11080, 18556, 23195, 37112, 46390, 92780, 185560, 1285003, 2570006, 5140012, 6425015, 10280024, 12850030, 25700060, 51400120]

約数ペア:

[(1, 51400120), (2, 25700060), (4, 12850030), (5, 10280024), (8, 6425015), (10, 5140012), (20, 2570006), (40, 1285003), (277, 185560), (554, 92780), (1108, 46390), (1385, 37112), (2216, 23195), (2770, 18556), (4639, 11080), (5540, 9278)]