201742780

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{6277}}^1$

素因数の和:7893

約数の個数: 24

約数和(自身を含む): 423991008

約数和(自身を除く): 222248228

約数列:

[1, 2, 4, 5, 10, 20, 1607, 3214, 6277, 6428, 8035, 12554, 16070, 25108, 31385, 32140, 62770, 125540, 10087139, 20174278, 40348556, 50435695, 100871390, 201742780]

約数ペア:

[(1, 201742780), (2, 100871390), (4, 50435695), (5, 40348556), (10, 20174278), (20, 10087139), (1607, 125540), (3214, 62770), (6277, 32140), (6428, 31385), (8035, 25108), (12554, 16070)]