129352040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{25463}}^1$

素因数の和:25601

約数の個数: 32

約数和(自身を含む): 293345280

約数和(自身を除く): 163993240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 25463, 50926, 101852, 127315, 203704, 254630, 509260, 1018520, 3233801, 6467602, 12935204, 16169005, 25870408, 32338010, 64676020, 129352040]

約数ペア:

[(1, 129352040), (2, 64676020), (4, 32338010), (5, 25870408), (8, 16169005), (10, 12935204), (20, 6467602), (40, 3233801), (127, 1018520), (254, 509260), (508, 254630), (635, 203704), (1016, 127315), (1270, 101852), (2540, 50926), (5080, 25463)]