80399888

素因数分解:

$2^4\times {\mathrm{1217}}^1\times {\mathrm{4129}}^1$

素因数の和:5354

約数の個数: 20

約数和(自身を含む): 155940540

約数和(自身を除く): 75540652

約数列:

[1, 2, 4, 8, 16, 1217, 2434, 4129, 4868, 8258, 9736, 16516, 19472, 33032, 66064, 5024993, 10049986, 20099972, 40199944, 80399888]

約数ペア:

[(1, 80399888), (2, 40199944), (4, 20099972), (8, 10049986), (16, 5024993), (1217, 66064), (2434, 33032), (4129, 19472), (4868, 16516), (8258, 9736)]