28738073480

素因数分解:

$2^3\times 5^1\times {\mathrm{2087}}^1\times {\mathrm{344251}}^1$

素因数の和:346349

約数の個数: 32

約数和(自身を含む): 64691835840

約数和(自身を除く): 35953762360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2087, 4174, 8348, 10435, 16696, 20870, 41740, 83480, 344251, 688502, 1377004, 1721255, 2754008, 3442510, 6885020, 13770040, 718451837, 1436903674, 2873807348, 3592259185, 5747614696, 7184518370, 14369036740, 28738073480]

約数ペア:

[(1, 28738073480), (2, 14369036740), (4, 7184518370), (5, 5747614696), (8, 3592259185), (10, 2873807348), (20, 1436903674), (40, 718451837), (2087, 13770040), (4174, 6885020), (8348, 3442510), (10435, 2754008), (16696, 1721255), (20870, 1377004), (41740, 688502), (83480, 344251)]