9689840

素因数分解:

$2^4\times 5^1\times {\mathrm{121123}}^1$

素因数の和:121136

約数の個数: 20

約数和(自身を含む): 22529064

約数和(自身を除く): 12839224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 121123, 242246, 484492, 605615, 968984, 1211230, 1937968, 2422460, 4844920, 9689840]

約数ペア:

[(1, 9689840), (2, 4844920), (4, 2422460), (5, 1937968), (8, 1211230), (10, 968984), (16, 605615), (20, 484492), (40, 242246), (80, 121123)]