55554040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13751}}^1$

素因数の和:13863

約数の個数: 32

約数和(自身を含む): 126243360

約数和(自身を除く): 70689320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 13751, 27502, 55004, 68755, 110008, 137510, 275020, 550040, 1388851, 2777702, 5555404, 6944255, 11110808, 13888510, 27777020, 55554040]

約数ペア:

[(1, 55554040), (2, 27777020), (4, 13888510), (5, 11110808), (8, 6944255), (10, 5555404), (20, 2777702), (40, 1388851), (101, 550040), (202, 275020), (404, 137510), (505, 110008), (808, 68755), (1010, 55004), (2020, 27502), (4040, 13751)]