80428460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{574489}}^1$

素因数の和:574505

約数の個数: 24

約数和(自身を含む): 193028640

約数和(自身を除く): 112600180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 574489, 1148978, 2297956, 2872445, 4021423, 5744890, 8042846, 11489780, 16085692, 20107115, 40214230, 80428460]

約数ペア:

[(1, 80428460), (2, 40214230), (4, 20107115), (5, 16085692), (7, 11489780), (10, 8042846), (14, 5744890), (20, 4021423), (28, 2872445), (35, 2297956), (70, 1148978), (140, 574489)]