79887664

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{10169}}^1$

素因数の和:10668

約数の個数: 20

約数和(自身を含む): 155112840

約数和(自身を除く): 75225176

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856, 10169, 20338, 40676, 81352, 162704, 4992979, 9985958, 19971916, 39943832, 79887664]

約数ペア:

[(1, 79887664), (2, 39943832), (4, 19971916), (8, 9985958), (16, 4992979), (491, 162704), (982, 81352), (1964, 40676), (3928, 20338), (7856, 10169)]