66162080

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1609}}^1$

素因数の和:1881

約数の個数: 48

約数和(自身を含む): 157013640

約数和(自身を除く): 90851560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 514, 1028, 1285, 1609, 2056, 2570, 3218, 4112, 5140, 6436, 8045, 8224, 10280, 12872, 16090, 20560, 25744, 32180, 41120, 51488, 64360, 128720, 257440, 413513, 827026, 1654052, 2067565, 3308104, 4135130, 6616208, 8270260, 13232416, 16540520, 33081040, 66162080]

約数ペア:

[(1, 66162080), (2, 33081040), (4, 16540520), (5, 13232416), (8, 8270260), (10, 6616208), (16, 4135130), (20, 3308104), (32, 2067565), (40, 1654052), (80, 827026), (160, 413513), (257, 257440), (514, 128720), (1028, 64360), (1285, 51488), (1609, 41120), (2056, 32180), (2570, 25744), (3218, 20560), (4112, 16090), (5140, 12872), (6436, 10280), (8045, 8224)]