84198980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79433}}^1$

素因数の和:79495

約数の個数: 24

約数和(自身を含む): 180156312

約数和(自身を除く): 95957332

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 79433, 158866, 317732, 397165, 794330, 1588660, 4209949, 8419898, 16839796, 21049745, 42099490, 84198980]

約数ペア:

[(1, 84198980), (2, 42099490), (4, 21049745), (5, 16839796), (10, 8419898), (20, 4209949), (53, 1588660), (106, 794330), (212, 397165), (265, 317732), (530, 158866), (1060, 79433)]