55868180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 121080960

約数和(自身を除く): 65212780

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 167, 172, 215, 334, 389, 430, 668, 778, 835, 860, 1556, 1670, 1945, 3340, 3890, 7181, 7780, 14362, 16727, 28724, 33454, 35905, 64963, 66908, 71810, 83635, 129926, 143620, 167270, 259852, 324815, 334540, 649630, 1299260, 2793409, 5586818, 11173636, 13967045, 27934090, 55868180]

約数ペア:

[(1, 55868180), (2, 27934090), (4, 13967045), (5, 11173636), (10, 5586818), (20, 2793409), (43, 1299260), (86, 649630), (167, 334540), (172, 324815), (215, 259852), (334, 167270), (389, 143620), (430, 129926), (668, 83635), (778, 71810), (835, 66908), (860, 64963), (1556, 35905), (1670, 33454), (1945, 28724), (3340, 16727), (3890, 14362), (7181, 7780)]