16904440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{60373}}^1$

素因数の和:60391

約数の個数: 32

約数和(自身を含む): 43469280

約数和(自身を除く): 26564840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 60373, 120746, 241492, 301865, 422611, 482984, 603730, 845222, 1207460, 1690444, 2113055, 2414920, 3380888, 4226110, 8452220, 16904440]

約数ペア:

[(1, 16904440), (2, 8452220), (4, 4226110), (5, 3380888), (7, 2414920), (8, 2113055), (10, 1690444), (14, 1207460), (20, 845222), (28, 603730), (35, 482984), (40, 422611), (56, 301865), (70, 241492), (140, 120746), (280, 60373)]