28855480

素因数分解:

$2^3\times 5^1\times {\mathrm{721387}}^1$

素因数の和:721398

約数の個数: 16

約数和(自身を含む): 64924920

約数和(自身を除く): 36069440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 721387, 1442774, 2885548, 3606935, 5771096, 7213870, 14427740, 28855480]

約数ペア:

[(1, 28855480), (2, 14427740), (4, 7213870), (5, 5771096), (8, 3606935), (10, 2885548), (20, 1442774), (40, 721387)]