23430920

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{911}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 52859520

約数和(自身を除く): 29428600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 911, 1286, 1822, 2572, 3215, 3644, 4555, 5144, 6430, 7288, 9110, 12860, 18220, 25720, 36440, 585773, 1171546, 2343092, 2928865, 4686184, 5857730, 11715460, 23430920]

約数ペア:

[(1, 23430920), (2, 11715460), (4, 5857730), (5, 4686184), (8, 2928865), (10, 2343092), (20, 1171546), (40, 585773), (643, 36440), (911, 25720), (1286, 18220), (1822, 12860), (2572, 9110), (3215, 7288), (3644, 6430), (4555, 5144)]