25825660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6361}}^1$

素因数の和:6406

約数の個数: 48

約数和(自身を含む): 64128960

約数和(自身を除く): 38303300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6361, 12722, 25444, 31805, 44527, 63610, 89054, 127220, 178108, 184469, 222635, 368938, 445270, 737876, 890540, 922345, 1291283, 1844690, 2582566, 3689380, 5165132, 6456415, 12912830, 25825660]

約数ペア:

[(1, 25825660), (2, 12912830), (4, 6456415), (5, 5165132), (7, 3689380), (10, 2582566), (14, 1844690), (20, 1291283), (28, 922345), (29, 890540), (35, 737876), (58, 445270), (70, 368938), (116, 222635), (140, 184469), (145, 178108), (203, 127220), (290, 89054), (406, 63610), (580, 44527), (812, 31805), (1015, 25444), (2030, 12722), (4060, 6361)]