6655420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3739}}^1$

素因数の和:3837

約数の個数: 24

約数和(自身を含む): 14137200

約数和(自身を除く): 7481780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 3739, 7478, 14956, 18695, 37390, 74780, 332771, 665542, 1331084, 1663855, 3327710, 6655420]

約数ペア:

[(1, 6655420), (2, 3327710), (4, 1663855), (5, 1331084), (10, 665542), (20, 332771), (89, 74780), (178, 37390), (356, 18695), (445, 14956), (890, 7478), (1780, 3739)]