11998880

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3947}}^1$

素因数の和:3981

約数の個数: 48

約数和(自身を含む): 29846880

約数和(自身を除く): 17848000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 3947, 7894, 15788, 19735, 31576, 39470, 63152, 74993, 78940, 126304, 149986, 157880, 299972, 315760, 374965, 599944, 631520, 749930, 1199888, 1499860, 2399776, 2999720, 5999440, 11998880]

約数ペア:

[(1, 11998880), (2, 5999440), (4, 2999720), (5, 2399776), (8, 1499860), (10, 1199888), (16, 749930), (19, 631520), (20, 599944), (32, 374965), (38, 315760), (40, 299972), (76, 157880), (80, 149986), (95, 126304), (152, 78940), (160, 74993), (190, 63152), (304, 39470), (380, 31576), (608, 19735), (760, 15788), (1520, 7894), (3040, 3947)]