79044920

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{7873}}^1$

素因数の和:8135

約数の個数: 32

約数和(自身を含む): 178582320

約数和(自身を除く): 99537400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 7873, 10040, 15746, 31492, 39365, 62984, 78730, 157460, 314920, 1976123, 3952246, 7904492, 9880615, 15808984, 19761230, 39522460, 79044920]

約数ペア:

[(1, 79044920), (2, 39522460), (4, 19761230), (5, 15808984), (8, 9880615), (10, 7904492), (20, 3952246), (40, 1976123), (251, 314920), (502, 157460), (1004, 78730), (1255, 62984), (2008, 39365), (2510, 31492), (5020, 15746), (7873, 10040)]