213548540

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{26627}}^1$

素因数の和:27037

約数の個数: 24

約数和(自身を含む): 449587152

約数和(自身を除く): 236038612

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 8020, 26627, 53254, 106508, 133135, 266270, 532540, 10677427, 21354854, 42709708, 53387135, 106774270, 213548540]

約数ペア:

[(1, 213548540), (2, 106774270), (4, 53387135), (5, 42709708), (10, 21354854), (20, 10677427), (401, 532540), (802, 266270), (1604, 133135), (2005, 106508), (4010, 53254), (8020, 26627)]