31249220

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3527}}^1$

素因数の和:3979

約数の個数: 24

約数和(自身を含む): 65790144

約数和(自身を除く): 34540924

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 3527, 4430, 7054, 8860, 14108, 17635, 35270, 70540, 1562461, 3124922, 6249844, 7812305, 15624610, 31249220]

約数ペア:

[(1, 31249220), (2, 15624610), (4, 7812305), (5, 6249844), (10, 3124922), (20, 1562461), (443, 70540), (886, 35270), (1772, 17635), (2215, 14108), (3527, 8860), (4430, 7054)]