13630840

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{787}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 30779280

約数和(自身を除く): 17148440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 787, 866, 1574, 1732, 2165, 3148, 3464, 3935, 4330, 6296, 7870, 8660, 15740, 17320, 31480, 340771, 681542, 1363084, 1703855, 2726168, 3407710, 6815420, 13630840]

約数ペア:

[(1, 13630840), (2, 6815420), (4, 3407710), (5, 2726168), (8, 1703855), (10, 1363084), (20, 681542), (40, 340771), (433, 31480), (787, 17320), (866, 15740), (1574, 8660), (1732, 7870), (2165, 6296), (3148, 4330), (3464, 3935)]