85689940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{612071}}^1$

素因数の和:612087

約数の個数: 24

約数和(自身を含む): 205656192

約数和(自身を除く): 119966252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 612071, 1224142, 2448284, 3060355, 4284497, 6120710, 8568994, 12241420, 17137988, 21422485, 42844970, 85689940]

約数ペア:

[(1, 85689940), (2, 42844970), (4, 21422485), (5, 17137988), (7, 12241420), (10, 8568994), (14, 6120710), (20, 4284497), (28, 3060355), (35, 2448284), (70, 1224142), (140, 612071)]