5439220

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{631}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 11467008

約数和(自身を除く): 6027788

約数列:

[1, 2, 4, 5, 10, 20, 431, 631, 862, 1262, 1724, 2155, 2524, 3155, 4310, 6310, 8620, 12620, 271961, 543922, 1087844, 1359805, 2719610, 5439220]

約数ペア:

[(1, 5439220), (2, 2719610), (4, 1359805), (5, 1087844), (10, 543922), (20, 271961), (431, 12620), (631, 8620), (862, 6310), (1262, 4310), (1724, 3155), (2155, 2524)]