5120920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{18289}}^1$

素因数の和:18307

約数の個数: 32

約数和(自身を含む): 13168800

約数和(自身を除く): 8047880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 18289, 36578, 73156, 91445, 128023, 146312, 182890, 256046, 365780, 512092, 640115, 731560, 1024184, 1280230, 2560460, 5120920]

約数ペア:

[(1, 5120920), (2, 2560460), (4, 1280230), (5, 1024184), (7, 731560), (8, 640115), (10, 512092), (14, 365780), (20, 256046), (28, 182890), (35, 146312), (40, 128023), (56, 91445), (70, 73156), (140, 36578), (280, 18289)]