1325609840

素因数分解:

$2^4\times 5^1\times {\mathrm{16570123}}^1$

素因数の和:16570136

約数の個数: 20

約数和(自身を含む): 3082043064

約数和(自身を除く): 1756433224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16570123, 33140246, 66280492, 82850615, 132560984, 165701230, 265121968, 331402460, 662804920, 1325609840]

約数ペア:

[(1, 1325609840), (2, 662804920), (4, 331402460), (5, 265121968), (8, 165701230), (10, 132560984), (16, 82850615), (20, 66280492), (40, 33140246), (80, 16570123)]