97889780

素因数分解:

$2^2\times 5^1\times {\mathrm{4894489}}^1$

素因数の和:4894498

約数の個数: 12

約数和(自身を含む): 205568580

約数和(自身を除く): 107678800

約数列:

[1, 2, 4, 5, 10, 20, 4894489, 9788978, 19577956, 24472445, 48944890, 97889780]

約数ペア:

[(1, 97889780), (2, 48944890), (4, 24472445), (5, 19577956), (10, 9788978), (20, 4894489)]