131829680

素因数分解:

$2^4\times 5^1\times {\mathrm{1647871}}^1$

素因数の和:1647884

約数の個数: 20

約数和(自身を含む): 306504192

約数和(自身を除く): 174674512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1647871, 3295742, 6591484, 8239355, 13182968, 16478710, 26365936, 32957420, 65914840, 131829680]

約数ペア:

[(1, 131829680), (2, 65914840), (4, 32957420), (5, 26365936), (8, 16478710), (10, 13182968), (16, 8239355), (20, 6591484), (40, 3295742), (80, 1647871)]