80888840

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15923}}^1$

素因数の和:16061

約数の個数: 32

約数和(自身を含む): 183444480

約数和(自身を除く): 102555640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 15923, 31846, 63692, 79615, 127384, 159230, 318460, 636920, 2022221, 4044442, 8088884, 10111105, 16177768, 20222210, 40444420, 80888840]

約数ペア:

[(1, 80888840), (2, 40444420), (4, 20222210), (5, 16177768), (8, 10111105), (10, 8088884), (20, 4044442), (40, 2022221), (127, 636920), (254, 318460), (508, 159230), (635, 127384), (1016, 79615), (1270, 63692), (2540, 31846), (5080, 15923)]