1902080

素因数分解:

$2^9\times 5^1\times {\mathrm{743}}^1$

素因数の和:766

約数の個数: 40

約数和(自身を含む): 4566672

約数和(自身を除く): 2664592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 743, 1280, 1486, 2560, 2972, 3715, 5944, 7430, 11888, 14860, 23776, 29720, 47552, 59440, 95104, 118880, 190208, 237760, 380416, 475520, 951040, 1902080]

約数ペア:

[(1, 1902080), (2, 951040), (4, 475520), (5, 380416), (8, 237760), (10, 190208), (16, 118880), (20, 95104), (32, 59440), (40, 47552), (64, 29720), (80, 23776), (128, 14860), (160, 11888), (256, 7430), (320, 5944), (512, 3715), (640, 2972), (743, 2560), (1280, 1486)]