129475520

素因数分解:

$2^6\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1301}}^1$

素因数の和:1629

約数の個数: 56

約数和(自身を含む): 309542688

約数和(自身を除く): 180067168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 311, 320, 622, 1244, 1301, 1555, 2488, 2602, 3110, 4976, 5204, 6220, 6505, 9952, 10408, 12440, 13010, 19904, 20816, 24880, 26020, 41632, 49760, 52040, 83264, 99520, 104080, 208160, 404611, 416320, 809222, 1618444, 2023055, 3236888, 4046110, 6473776, 8092220, 12947552, 16184440, 25895104, 32368880, 64737760, 129475520]

約数ペア:

[(1, 129475520), (2, 64737760), (4, 32368880), (5, 25895104), (8, 16184440), (10, 12947552), (16, 8092220), (20, 6473776), (32, 4046110), (40, 3236888), (64, 2023055), (80, 1618444), (160, 809222), (311, 416320), (320, 404611), (622, 208160), (1244, 104080), (1301, 99520), (1555, 83264), (2488, 52040), (2602, 49760), (3110, 41632), (4976, 26020), (5204, 24880), (6220, 20816), (6505, 19904), (9952, 13010), (10408, 12440)]