145054820

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{14249}}^1$

素因数の和:14767

約数の個数: 24

約数和(自身を含む): 305235000

約数和(自身を除く): 160180180

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 5090, 10180, 14249, 28498, 56996, 71245, 142490, 284980, 7252741, 14505482, 29010964, 36263705, 72527410, 145054820]

約数ペア:

[(1, 145054820), (2, 72527410), (4, 36263705), (5, 29010964), (10, 14505482), (20, 7252741), (509, 284980), (1018, 142490), (2036, 71245), (2545, 56996), (5090, 28498), (10180, 14249)]