12980525080

素因数分解:

$2^3\times 5^1\times {\mathrm{15467}}^1\times {\mathrm{20981}}^1$

素因数の和:36459

約数の個数: 32

約数和(自身を含む): 29209461840

約数和(自身を除く): 16228936760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15467, 20981, 30934, 41962, 61868, 77335, 83924, 104905, 123736, 154670, 167848, 209810, 309340, 419620, 618680, 839240, 324513127, 649026254, 1298052508, 1622565635, 2596105016, 3245131270, 6490262540, 12980525080]

約数ペア:

[(1, 12980525080), (2, 6490262540), (4, 3245131270), (5, 2596105016), (8, 1622565635), (10, 1298052508), (20, 649026254), (40, 324513127), (15467, 839240), (20981, 618680), (30934, 419620), (41962, 309340), (61868, 209810), (77335, 167848), (83924, 154670), (104905, 123736)]