49984180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28081}}^1$

素因数の和:28179

約数の個数: 24

約数和(自身を含む): 106149960

約数和(自身を除く): 56165780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 28081, 56162, 112324, 140405, 280810, 561620, 2499209, 4998418, 9996836, 12496045, 24992090, 49984180]

約数ペア:

[(1, 49984180), (2, 24992090), (4, 12496045), (5, 9996836), (10, 4998418), (20, 2499209), (89, 561620), (178, 280810), (356, 140405), (445, 112324), (890, 56162), (1780, 28081)]