12418880

素因数分解:

$2^6\times 5^1\times {\mathrm{197}}^2$

素因数の和:411

約数の個数: 42

約数和(自身を含む): 29723334

約数和(自身を除く): 17304454

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 197, 320, 394, 788, 985, 1576, 1970, 3152, 3940, 6304, 7880, 12608, 15760, 31520, 38809, 63040, 77618, 155236, 194045, 310472, 388090, 620944, 776180, 1241888, 1552360, 2483776, 3104720, 6209440, 12418880]

約数ペア:

[(1, 12418880), (2, 6209440), (4, 3104720), (5, 2483776), (8, 1552360), (10, 1241888), (16, 776180), (20, 620944), (32, 388090), (40, 310472), (64, 194045), (80, 155236), (160, 77618), (197, 63040), (320, 38809), (394, 31520), (788, 15760), (985, 12608), (1576, 7880), (1970, 6304), (3152, 3940)]