1004075720

素因数分解:

$2^3\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{15149}}^1$

素因数の和:16817

約数の個数: 32

約数和(自身を含む): 2260683000

約数和(自身を除く): 1256607280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1657, 3314, 6628, 8285, 13256, 15149, 16570, 30298, 33140, 60596, 66280, 75745, 121192, 151490, 302980, 605960, 25101893, 50203786, 100407572, 125509465, 200815144, 251018930, 502037860, 1004075720]

約数ペア:

[(1, 1004075720), (2, 502037860), (4, 251018930), (5, 200815144), (8, 125509465), (10, 100407572), (20, 50203786), (40, 25101893), (1657, 605960), (3314, 302980), (6628, 151490), (8285, 121192), (13256, 75745), (15149, 66280), (16570, 60596), (30298, 33140)]