78839780

素因数分解:

$2^2\times 5^1\times {\mathrm{1453}}^1\times {\mathrm{2713}}^1$

素因数の和:4175

約数の個数: 24

約数和(自身を含む): 165738552

約数和(自身を除く): 86898772

約数列:

[1, 2, 4, 5, 10, 20, 1453, 2713, 2906, 5426, 5812, 7265, 10852, 13565, 14530, 27130, 29060, 54260, 3941989, 7883978, 15767956, 19709945, 39419890, 78839780]

約数ペア:

[(1, 78839780), (2, 39419890), (4, 19709945), (5, 15767956), (10, 7883978), (20, 3941989), (1453, 54260), (2713, 29060), (2906, 27130), (5426, 14530), (5812, 13565), (7265, 10852)]