25668440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91673}}^1$

素因数の和:91691

約数の個数: 32

約数和(自身を含む): 66005280

約数和(自身を除く): 40336840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91673, 183346, 366692, 458365, 641711, 733384, 916730, 1283422, 1833460, 2566844, 3208555, 3666920, 5133688, 6417110, 12834220, 25668440]

約数ペア:

[(1, 25668440), (2, 12834220), (4, 6417110), (5, 5133688), (7, 3666920), (8, 3208555), (10, 2566844), (14, 1833460), (20, 1283422), (28, 916730), (35, 733384), (40, 641711), (56, 458365), (70, 366692), (140, 183346), (280, 91673)]