210867640

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{15643}}^1$

素因数の和:15991

約数の個数: 32

約数和(自身を含む): 475890480

約数和(自身を除く): 265022840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6740, 13480, 15643, 31286, 62572, 78215, 125144, 156430, 312860, 625720, 5271691, 10543382, 21086764, 26358455, 42173528, 52716910, 105433820, 210867640]

約数ペア:

[(1, 210867640), (2, 105433820), (4, 52716910), (5, 42173528), (8, 26358455), (10, 21086764), (20, 10543382), (40, 5271691), (337, 625720), (674, 312860), (1348, 156430), (1685, 125144), (2696, 78215), (3370, 62572), (6740, 31286), (13480, 15643)]