2618380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1471}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 5564160

約数和(自身を除く): 2945780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1471, 1780, 2942, 5884, 7355, 14710, 29420, 130919, 261838, 523676, 654595, 1309190, 2618380]

約数ペア:

[(1, 2618380), (2, 1309190), (4, 654595), (5, 523676), (10, 261838), (20, 130919), (89, 29420), (178, 14710), (356, 7355), (445, 5884), (890, 2942), (1471, 1780)]