55239020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25339}}^1$

素因数の和:25457

約数の個数: 24

約数和(自身を含む): 117070800

約数和(自身を除く): 61831780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 25339, 50678, 101356, 126695, 253390, 506780, 2761951, 5523902, 11047804, 13809755, 27619510, 55239020]

約数ペア:

[(1, 55239020), (2, 27619510), (4, 13809755), (5, 11047804), (10, 5523902), (20, 2761951), (109, 506780), (218, 253390), (436, 126695), (545, 101356), (1090, 50678), (2180, 25339)]