77929840

素因数分解:

$2^4\times 5^1\times {\mathrm{974123}}^1$

素因数の和:974136

約数の個数: 20

約数和(自身を含む): 181187064

約数和(自身を除く): 103257224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 974123, 1948246, 3896492, 4870615, 7792984, 9741230, 15585968, 19482460, 38964920, 77929840]

約数ペア:

[(1, 77929840), (2, 38964920), (4, 19482460), (5, 15585968), (8, 9741230), (10, 7792984), (16, 4870615), (20, 3896492), (40, 1948246), (80, 974123)]