201435280

素因数分解:

$2^4\times 5^1\times {\mathrm{2517941}}^1$

素因数の和:2517954

約数の個数: 20

約数和(自身を含む): 468337212

約数和(自身を除く): 266901932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2517941, 5035882, 10071764, 12589705, 20143528, 25179410, 40287056, 50358820, 100717640, 201435280]

約数ペア:

[(1, 201435280), (2, 100717640), (4, 50358820), (5, 40287056), (8, 25179410), (10, 20143528), (16, 12589705), (20, 10071764), (40, 5035882), (80, 2517941)]