104879440

素因数分解:

$2^4\times 5^1\times {\mathrm{1310993}}^1$

素因数の和:1311006

約数の個数: 20

約数和(自身を含む): 243844884

約数和(自身を除く): 138965444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1310993, 2621986, 5243972, 6554965, 10487944, 13109930, 20975888, 26219860, 52439720, 104879440]

約数ペア:

[(1, 104879440), (2, 52439720), (4, 26219860), (5, 20975888), (8, 13109930), (10, 10487944), (16, 6554965), (20, 5243972), (40, 2621986), (80, 1310993)]