77497915280

素因数分解:

$2^4\times 5^1\times {\mathrm{968723941}}^1$

素因数の和:968723954

約数の個数: 20

約数和(自身を含む): 180182653212

約数和(自身を除く): 102684737932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 968723941, 1937447882, 3874895764, 4843619705, 7749791528, 9687239410, 15499583056, 19374478820, 38748957640, 77497915280]

約数ペア:

[(1, 77497915280), (2, 38748957640), (4, 19374478820), (5, 15499583056), (8, 9687239410), (10, 7749791528), (16, 4843619705), (20, 3874895764), (40, 1937447882), (80, 968723941)]