78840530

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{111043}}^1$

素因数の和:111121

約数の個数: 16

約数和(自身を含む): 143913024

約数和(自身を除く): 65072494

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 111043, 222086, 555215, 1110430, 7884053, 15768106, 39420265, 78840530]

約数ペア:

[(1, 78840530), (2, 39420265), (5, 15768106), (10, 7884053), (71, 1110430), (142, 555215), (355, 222086), (710, 111043)]