12881810420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{45317}}^1$

素因数の和:45620

約数の個数: 48

約数和(自身を含む): 27613888848

約数和(自身を除く): 14732078428

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 233, 244, 305, 466, 610, 932, 1165, 1220, 2330, 4660, 14213, 28426, 45317, 56852, 71065, 90634, 142130, 181268, 226585, 284260, 453170, 906340, 2764337, 5528674, 10558861, 11057348, 13821685, 21117722, 27643370, 42235444, 52794305, 55286740, 105588610, 211177220, 644090521, 1288181042, 2576362084, 3220452605, 6440905210, 12881810420]

約数ペア:

[(1, 12881810420), (2, 6440905210), (4, 3220452605), (5, 2576362084), (10, 1288181042), (20, 644090521), (61, 211177220), (122, 105588610), (233, 55286740), (244, 52794305), (305, 42235444), (466, 27643370), (610, 21117722), (932, 13821685), (1165, 11057348), (1220, 10558861), (2330, 5528674), (4660, 2764337), (14213, 906340), (28426, 453170), (45317, 284260), (56852, 226585), (71065, 181268), (90634, 142130)]