85883560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306727}}^1$

素因数の和:306745

約数の個数: 32

約数和(自身を含む): 220844160

約数和(自身を除く): 134960600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306727, 613454, 1226908, 1533635, 2147089, 2453816, 3067270, 4294178, 6134540, 8588356, 10735445, 12269080, 17176712, 21470890, 42941780, 85883560]

約数ペア:

[(1, 85883560), (2, 42941780), (4, 21470890), (5, 17176712), (7, 12269080), (8, 10735445), (10, 8588356), (14, 6134540), (20, 4294178), (28, 3067270), (35, 2453816), (40, 2147089), (56, 1533635), (70, 1226908), (140, 613454), (280, 306727)]