39749360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{70981}}^1$

素因数の和:71001

約数の個数: 40

約数和(自身を含む): 105621216

約数和(自身を除く): 65871856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 70981, 141962, 283924, 354905, 496867, 567848, 709810, 993734, 1135696, 1419620, 1987468, 2484335, 2839240, 3974936, 4968670, 5678480, 7949872, 9937340, 19874680, 39749360]

約数ペア:

[(1, 39749360), (2, 19874680), (4, 9937340), (5, 7949872), (7, 5678480), (8, 4968670), (10, 3974936), (14, 2839240), (16, 2484335), (20, 1987468), (28, 1419620), (35, 1135696), (40, 993734), (56, 709810), (70, 567848), (80, 496867), (112, 354905), (140, 283924), (280, 141962), (560, 70981)]