28080220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{200573}}^1$

素因数の和:200589

約数の個数: 24

約数和(自身を含む): 67392864

約数和(自身を除く): 39312644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 200573, 401146, 802292, 1002865, 1404011, 2005730, 2808022, 4011460, 5616044, 7020055, 14040110, 28080220]

約数ペア:

[(1, 28080220), (2, 14040110), (4, 7020055), (5, 5616044), (7, 4011460), (10, 2808022), (14, 2005730), (20, 1404011), (28, 1002865), (35, 802292), (70, 401146), (140, 200573)]