12469940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89071}}^1$

素因数の和:89087

約数の個数: 24

約数和(自身を含む): 29928192

約数和(自身を除く): 17458252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 89071, 178142, 356284, 445355, 623497, 890710, 1246994, 1781420, 2493988, 3117485, 6234970, 12469940]

約数ペア:

[(1, 12469940), (2, 6234970), (4, 3117485), (5, 2493988), (7, 1781420), (10, 1246994), (14, 890710), (20, 623497), (28, 445355), (35, 356284), (70, 178142), (140, 89071)]