127564880

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14629}}^1$

素因数の和:14751

約数の個数: 40

約数和(自身を含む): 299329800

約数和(自身を除く): 171764920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 14629, 29258, 58516, 73145, 117032, 146290, 234064, 292580, 585160, 1170320, 1594561, 3189122, 6378244, 7972805, 12756488, 15945610, 25512976, 31891220, 63782440, 127564880]

約数ペア:

[(1, 127564880), (2, 63782440), (4, 31891220), (5, 25512976), (8, 15945610), (10, 12756488), (16, 7972805), (20, 6378244), (40, 3189122), (80, 1594561), (109, 1170320), (218, 585160), (436, 292580), (545, 234064), (872, 146290), (1090, 117032), (1744, 73145), (2180, 58516), (4360, 29258), (8720, 14629)]