9820450

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1206

約数の個数: 24

約数和(自身を含む): 18377172

約数和(自身を除く): 8556722

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 997, 1970, 1994, 4925, 4985, 9850, 9970, 24925, 49850, 196409, 392818, 982045, 1964090, 4910225, 9820450]

約数ペア:

[(1, 9820450), (2, 4910225), (5, 1964090), (10, 982045), (25, 392818), (50, 196409), (197, 49850), (394, 24925), (985, 9970), (997, 9850), (1970, 4985), (1994, 4925)]