56190920

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1409}}^1$

素因数の和:2417

約数の個数: 32

約数和(自身を含む): 126646200

約数和(自身を除く): 70455280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1409, 1994, 2818, 3988, 4985, 5636, 7045, 7976, 9970, 11272, 14090, 19940, 28180, 39880, 56360, 1404773, 2809546, 5619092, 7023865, 11238184, 14047730, 28095460, 56190920]

約数ペア:

[(1, 56190920), (2, 28095460), (4, 14047730), (5, 11238184), (8, 7023865), (10, 5619092), (20, 2809546), (40, 1404773), (997, 56360), (1409, 39880), (1994, 28180), (2818, 19940), (3988, 14090), (4985, 11272), (5636, 9970), (7045, 7976)]