513080

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 1175040

約数和(自身を除く): 661960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 127, 202, 254, 404, 505, 508, 635, 808, 1010, 1016, 1270, 2020, 2540, 4040, 5080, 12827, 25654, 51308, 64135, 102616, 128270, 256540, 513080]

約数ペア:

[(1, 513080), (2, 256540), (4, 128270), (5, 102616), (8, 64135), (10, 51308), (20, 25654), (40, 12827), (101, 5080), (127, 4040), (202, 2540), (254, 2020), (404, 1270), (505, 1016), (508, 1010), (635, 808)]