28529480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101891}}^1$

素因数の和:101909

約数の個数: 32

約数和(自身を含む): 73362240

約数和(自身を除く): 44832760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 101891, 203782, 407564, 509455, 713237, 815128, 1018910, 1426474, 2037820, 2852948, 3566185, 4075640, 5705896, 7132370, 14264740, 28529480]

約数ペア:

[(1, 28529480), (2, 14264740), (4, 7132370), (5, 5705896), (7, 4075640), (8, 3566185), (10, 2852948), (14, 2037820), (20, 1426474), (28, 1018910), (35, 815128), (40, 713237), (56, 509455), (70, 407564), (140, 203782), (280, 101891)]