145210280

素因数分解:

$2^3\times 5^1\times {\mathrm{3630257}}^1$

素因数の和:3630268

約数の個数: 16

約数和(自身を含む): 326723220

約数和(自身を除く): 181512940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3630257, 7260514, 14521028, 18151285, 29042056, 36302570, 72605140, 145210280]

約数ペア:

[(1, 145210280), (2, 72605140), (4, 36302570), (5, 29042056), (8, 18151285), (10, 14521028), (20, 7260514), (40, 3630257)]