38810920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 92736000

約数和(自身を除く): 53925080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 223, 229, 380, 446, 458, 760, 892, 916, 1115, 1145, 1784, 1832, 2230, 2290, 4237, 4351, 4460, 4580, 8474, 8702, 8920, 9160, 16948, 17404, 21185, 21755, 33896, 34808, 42370, 43510, 51067, 84740, 87020, 102134, 169480, 174040, 204268, 255335, 408536, 510670, 970273, 1021340, 1940546, 2042680, 3881092, 4851365, 7762184, 9702730, 19405460, 38810920]

約数ペア:

[(1, 38810920), (2, 19405460), (4, 9702730), (5, 7762184), (8, 4851365), (10, 3881092), (19, 2042680), (20, 1940546), (38, 1021340), (40, 970273), (76, 510670), (95, 408536), (152, 255335), (190, 204268), (223, 174040), (229, 169480), (380, 102134), (446, 87020), (458, 84740), (760, 51067), (892, 43510), (916, 42370), (1115, 34808), (1145, 33896), (1784, 21755), (1832, 21185), (2230, 17404), (2290, 16948), (4237, 9160), (4351, 8920), (4460, 8702), (4580, 8474)]