77937940

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{24821}}^1$

素因数の和:24987

約数の個数: 24

約数和(自身を含む): 164718792

約数和(自身を除く): 86780852

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 24821, 49642, 99284, 124105, 248210, 496420, 3896897, 7793794, 15587588, 19484485, 38968970, 77937940]

約数ペア:

[(1, 77937940), (2, 38968970), (4, 19484485), (5, 15587588), (10, 7793794), (20, 3896897), (157, 496420), (314, 248210), (628, 124105), (785, 99284), (1570, 49642), (3140, 24821)]