66780880

素因数分解:

$2^4\times 5^1\times {\mathrm{834761}}^1$

素因数の和:834774

約数の個数: 20

約数和(自身を含む): 155265732

約数和(自身を除く): 88484852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 834761, 1669522, 3339044, 4173805, 6678088, 8347610, 13356176, 16695220, 33390440, 66780880]

約数ペア:

[(1, 66780880), (2, 33390440), (4, 16695220), (5, 13356176), (8, 8347610), (10, 6678088), (16, 4173805), (20, 3339044), (40, 1669522), (80, 834761)]