80973155

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{20789}}^1$

素因数の和:20854

約数の個数: 16

約数和(自身を含む): 104781600

約数和(自身を除く): 23808445

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 20789, 103945, 394991, 852349, 1974955, 4261745, 16194631, 80973155]

約数ペア:

[(1, 80973155), (5, 16194631), (19, 4261745), (41, 1974955), (95, 852349), (205, 394991), (779, 103945), (3895, 20789)]