1447195760

素因数分解:

$2^4\times 5^1\times {\mathrm{18089947}}^1$

素因数の和:18089960

約数の個数: 20

約数和(自身を含む): 3364730328

約数和(自身を除く): 1917534568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 18089947, 36179894, 72359788, 90449735, 144719576, 180899470, 289439152, 361798940, 723597880, 1447195760]

約数ペア:

[(1, 1447195760), (2, 723597880), (4, 361798940), (5, 289439152), (8, 180899470), (10, 144719576), (16, 90449735), (20, 72359788), (40, 36179894), (80, 18089947)]