2236407640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1300237}}^1$

素因数の和:1300291

約数の個数: 32

約数和(自身を含む): 5148942480

約数和(自身を除く): 2912534840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1300237, 2600474, 5200948, 6501185, 10401896, 13002370, 26004740, 52009480, 55910191, 111820382, 223640764, 279550955, 447281528, 559101910, 1118203820, 2236407640]

約数ペア:

[(1, 2236407640), (2, 1118203820), (4, 559101910), (5, 447281528), (8, 279550955), (10, 223640764), (20, 111820382), (40, 55910191), (43, 52009480), (86, 26004740), (172, 13002370), (215, 10401896), (344, 6501185), (430, 5200948), (860, 2600474), (1720, 1300237)]