79809940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{570071}}^1$

素因数の和:570087

約数の個数: 24

約数和(自身を含む): 191544192

約数和(自身を除く): 111734252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 570071, 1140142, 2280284, 2850355, 3990497, 5700710, 7980994, 11401420, 15961988, 19952485, 39904970, 79809940]

約数ペア:

[(1, 79809940), (2, 39904970), (4, 19952485), (5, 15961988), (7, 11401420), (10, 7980994), (14, 5700710), (20, 3990497), (28, 2850355), (35, 2280284), (70, 1140142), (140, 570071)]