54547960

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12511}}^1$

素因数の和:12631

約数の個数: 32

約数和(自身を含む): 123868800

約数和(自身を除く): 69320840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 12511, 25022, 50044, 62555, 100088, 125110, 250220, 500440, 1363699, 2727398, 5454796, 6818495, 10909592, 13636990, 27273980, 54547960]

約数ペア:

[(1, 54547960), (2, 27273980), (4, 13636990), (5, 10909592), (8, 6818495), (10, 5454796), (20, 2727398), (40, 1363699), (109, 500440), (218, 250220), (436, 125110), (545, 100088), (872, 62555), (1090, 50044), (2180, 25022), (4360, 12511)]