9998980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9433}}^1$

素因数の和:9495

約数の個数: 24

約数和(自身を含む): 21396312

約数和(自身を除く): 11397332

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 9433, 18866, 37732, 47165, 94330, 188660, 499949, 999898, 1999796, 2499745, 4999490, 9998980]

約数ペア:

[(1, 9998980), (2, 4999490), (4, 2499745), (5, 1999796), (10, 999898), (20, 499949), (53, 188660), (106, 94330), (212, 47165), (265, 37732), (530, 18866), (1060, 9433)]