51745040

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1613}}^1$

素因数の和:2027

約数の個数: 40

約数和(自身を含む): 120682008

約数和(自身を除く): 68936968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 1604, 1613, 2005, 3208, 3226, 4010, 6416, 6452, 8020, 8065, 12904, 16040, 16130, 25808, 32080, 32260, 64520, 129040, 646813, 1293626, 2587252, 3234065, 5174504, 6468130, 10349008, 12936260, 25872520, 51745040]

約数ペア:

[(1, 51745040), (2, 25872520), (4, 12936260), (5, 10349008), (8, 6468130), (10, 5174504), (16, 3234065), (20, 2587252), (40, 1293626), (80, 646813), (401, 129040), (802, 64520), (1604, 32260), (1613, 32080), (2005, 25808), (3208, 16130), (3226, 16040), (4010, 12904), (6416, 8065), (6452, 8020)]