8461557040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1\times {\mathrm{2017}}^1$

素因数の和:3350

約数の個数: 80

約数和(自身を含む): 20178708480

約数和(自身を除く): 11717151440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1279, 1640, 2017, 2558, 3280, 4034, 5116, 6395, 8068, 10085, 10232, 12790, 16136, 20170, 20464, 25580, 32272, 40340, 51160, 52439, 80680, 82697, 102320, 104878, 161360, 165394, 209756, 262195, 330788, 413485, 419512, 524390, 661576, 826970, 839024, 1048780, 1323152, 1653940, 2097560, 2579743, 3307880, 4195120, 5159486, 6615760, 10318972, 12898715, 20637944, 25797430, 41275888, 51594860, 103189720, 105769463, 206379440, 211538926, 423077852, 528847315, 846155704, 1057694630, 1692311408, 2115389260, 4230778520, 8461557040]

約数ペア:

[(1, 8461557040), (2, 4230778520), (4, 2115389260), (5, 1692311408), (8, 1057694630), (10, 846155704), (16, 528847315), (20, 423077852), (40, 211538926), (41, 206379440), (80, 105769463), (82, 103189720), (164, 51594860), (205, 41275888), (328, 25797430), (410, 20637944), (656, 12898715), (820, 10318972), (1279, 6615760), (1640, 5159486), (2017, 4195120), (2558, 3307880), (3280, 2579743), (4034, 2097560), (5116, 1653940), (6395, 1323152), (8068, 1048780), (10085, 839024), (10232, 826970), (12790, 661576), (16136, 524390), (20170, 419512), (20464, 413485), (25580, 330788), (32272, 262195), (40340, 209756), (51160, 165394), (52439, 161360), (80680, 104878), (82697, 102320)]