1312221920

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{41213}}^1$

素因数の和:41427

約数の個数: 48

約数和(自身を含む): 3115778400

約数和(自身を除く): 1803556480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 6368, 7960, 15920, 31840, 41213, 82426, 164852, 206065, 329704, 412130, 659408, 824260, 1318816, 1648520, 3297040, 6594080, 8201387, 16402774, 32805548, 41006935, 65611096, 82013870, 131222192, 164027740, 262444384, 328055480, 656110960, 1312221920]

約数ペア:

[(1, 1312221920), (2, 656110960), (4, 328055480), (5, 262444384), (8, 164027740), (10, 131222192), (16, 82013870), (20, 65611096), (32, 41006935), (40, 32805548), (80, 16402774), (160, 8201387), (199, 6594080), (398, 3297040), (796, 1648520), (995, 1318816), (1592, 824260), (1990, 659408), (3184, 412130), (3980, 329704), (6368, 206065), (7960, 164852), (15920, 82426), (31840, 41213)]