68969840

素因数分解:

$2^4\times 5^1\times {\mathrm{862123}}^1$

素因数の和:862136

約数の個数: 20

約数和(自身を含む): 160355064

約数和(自身を除く): 91385224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 862123, 1724246, 3448492, 4310615, 6896984, 8621230, 13793968, 17242460, 34484920, 68969840]

約数ペア:

[(1, 68969840), (2, 34484920), (4, 17242460), (5, 13793968), (8, 8621230), (10, 6896984), (16, 4310615), (20, 3448492), (40, 1724246), (80, 862123)]