2129680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3803}}^1$

素因数の和:3823

約数の個数: 40

約数和(自身を含む): 5660352

約数和(自身を除く): 3530672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3803, 7606, 15212, 19015, 26621, 30424, 38030, 53242, 60848, 76060, 106484, 133105, 152120, 212968, 266210, 304240, 425936, 532420, 1064840, 2129680]

約数ペア:

[(1, 2129680), (2, 1064840), (4, 532420), (5, 425936), (7, 304240), (8, 266210), (10, 212968), (14, 152120), (16, 133105), (20, 106484), (28, 76060), (35, 60848), (40, 53242), (56, 38030), (70, 30424), (80, 26621), (112, 19015), (140, 15212), (280, 7606), (560, 3803)]