772641680

素因数分解:

$2^4\times 5^1\times {\mathrm{9658021}}^1$

素因数の和:9658034

約数の個数: 20

約数和(自身を含む): 1796392092

約数和(自身を除く): 1023750412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9658021, 19316042, 38632084, 48290105, 77264168, 96580210, 154528336, 193160420, 386320840, 772641680]

約数ペア:

[(1, 772641680), (2, 386320840), (4, 193160420), (5, 154528336), (8, 96580210), (10, 77264168), (16, 48290105), (20, 38632084), (40, 19316042), (80, 9658021)]