25239080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8887}}^1$

素因数の和:8969

約数の個数: 32

約数和(自身を含む): 57594240

約数和(自身を除く): 32355160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 8887, 17774, 35548, 44435, 71096, 88870, 177740, 355480, 630977, 1261954, 2523908, 3154885, 5047816, 6309770, 12619540, 25239080]

約数ペア:

[(1, 25239080), (2, 12619540), (4, 6309770), (5, 5047816), (8, 3154885), (10, 2523908), (20, 1261954), (40, 630977), (71, 355480), (142, 177740), (284, 88870), (355, 71096), (568, 44435), (710, 35548), (1420, 17774), (2840, 8887)]