28854940

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10531}}^1$

素因数の和:10677

約数の個数: 24

約数和(自身を含む): 61043472

約数和(自身を除く): 32188532

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 10531, 21062, 42124, 52655, 105310, 210620, 1442747, 2885494, 5770988, 7213735, 14427470, 28854940]

約数ペア:

[(1, 28854940), (2, 14427470), (4, 7213735), (5, 5770988), (10, 2885494), (20, 1442747), (137, 210620), (274, 105310), (548, 52655), (685, 42124), (1370, 21062), (2740, 10531)]