194953840

素因数分解:

$2^4\times 5^1\times {\mathrm{2436923}}^1$

素因数の和:2436936

約数の個数: 20

約数和(自身を含む): 453267864

約数和(自身を除く): 258314024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2436923, 4873846, 9747692, 12184615, 19495384, 24369230, 38990768, 48738460, 97476920, 194953840]

約数ペア:

[(1, 194953840), (2, 97476920), (4, 48738460), (5, 38990768), (8, 24369230), (10, 19495384), (16, 12184615), (20, 9747692), (40, 4873846), (80, 2436923)]