78810910

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{60161}}^1$

素因数の和:60299

約数の個数: 16

約数和(自身を含む): 142944912

約数和(自身を除く): 64134002

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 60161, 120322, 300805, 601610, 7881091, 15762182, 39405455, 78810910]

約数ペア:

[(1, 78810910), (2, 39405455), (5, 15762182), (10, 7881091), (131, 601610), (262, 300805), (655, 120322), (1310, 60161)]