11209940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{80071}}^1$

素因数の和:80087

約数の個数: 24

約数和(自身を含む): 26904192

約数和(自身を除く): 15694252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 80071, 160142, 320284, 400355, 560497, 800710, 1120994, 1601420, 2241988, 2802485, 5604970, 11209940]

約数ペア:

[(1, 11209940), (2, 5604970), (4, 2802485), (5, 2241988), (7, 1601420), (10, 1120994), (14, 800710), (20, 560497), (28, 400355), (35, 320284), (70, 160142), (140, 80071)]