166142320

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5179}}^1$

素因数の和:5593

約数の個数: 40

約数和(自身を含む): 387318960

約数和(自身を除く): 221176640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 2005, 3208, 4010, 5179, 6416, 8020, 10358, 16040, 20716, 25895, 32080, 41432, 51790, 82864, 103580, 207160, 414320, 2076779, 4153558, 8307116, 10383895, 16614232, 20767790, 33228464, 41535580, 83071160, 166142320]

約数ペア:

[(1, 166142320), (2, 83071160), (4, 41535580), (5, 33228464), (8, 20767790), (10, 16614232), (16, 10383895), (20, 8307116), (40, 4153558), (80, 2076779), (401, 414320), (802, 207160), (1604, 103580), (2005, 82864), (3208, 51790), (4010, 41432), (5179, 32080), (6416, 25895), (8020, 20716), (10358, 16040)]