79812680

素因数分解:

$2^3\times 5^1\times {\mathrm{1995317}}^1$

素因数の和:1995328

約数の個数: 16

約数和(自身を含む): 179578620

約数和(自身を除く): 99765940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1995317, 3990634, 7981268, 9976585, 15962536, 19953170, 39906340, 79812680]

約数ペア:

[(1, 79812680), (2, 39906340), (4, 19953170), (5, 15962536), (8, 9976585), (10, 7981268), (20, 3990634), (40, 1995317)]