87159940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{622571}}^1$

素因数の和:622587

約数の個数: 24

約数和(自身を含む): 209184192

約数和(自身を除く): 122024252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 622571, 1245142, 2490284, 3112855, 4357997, 6225710, 8715994, 12451420, 17431988, 21789985, 43579970, 87159940]

約数ペア:

[(1, 87159940), (2, 43579970), (4, 21789985), (5, 17431988), (7, 12451420), (10, 8715994), (14, 6225710), (20, 4357997), (28, 3112855), (35, 2490284), (70, 1245142), (140, 622571)]