28610800

素因数分解:

$2^4\times 5^2\times {\mathrm{71527}}^1$

素因数の和:71545

約数の個数: 30

約数和(自身を含む): 68738408

約数和(自身を除く): 40127608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71527, 143054, 286108, 357635, 572216, 715270, 1144432, 1430540, 1788175, 2861080, 3576350, 5722160, 7152700, 14305400, 28610800]

約数ペア:

[(1, 28610800), (2, 14305400), (4, 7152700), (5, 5722160), (8, 3576350), (10, 2861080), (16, 1788175), (20, 1430540), (25, 1144432), (40, 715270), (50, 572216), (80, 357635), (100, 286108), (200, 143054), (400, 71527)]