1650870160

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1\times {\mathrm{929}}^1$

素因数の和:1268

約数の個数: 80

約数和(自身を含む): 3898969200

約数和(自身を除く): 2248099040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 229, 388, 458, 485, 776, 916, 929, 970, 1145, 1552, 1832, 1858, 1940, 2290, 3664, 3716, 3880, 4580, 4645, 7432, 7760, 9160, 9290, 14864, 18320, 18580, 22213, 37160, 44426, 74320, 88852, 90113, 111065, 177704, 180226, 212741, 222130, 355408, 360452, 425482, 444260, 450565, 720904, 850964, 888520, 901130, 1063705, 1441808, 1701928, 1777040, 1802260, 2127410, 3403856, 3604520, 4254820, 7209040, 8509640, 17019280, 20635877, 41271754, 82543508, 103179385, 165087016, 206358770, 330174032, 412717540, 825435080, 1650870160]

約数ペア:

[(1, 1650870160), (2, 825435080), (4, 412717540), (5, 330174032), (8, 206358770), (10, 165087016), (16, 103179385), (20, 82543508), (40, 41271754), (80, 20635877), (97, 17019280), (194, 8509640), (229, 7209040), (388, 4254820), (458, 3604520), (485, 3403856), (776, 2127410), (916, 1802260), (929, 1777040), (970, 1701928), (1145, 1441808), (1552, 1063705), (1832, 901130), (1858, 888520), (1940, 850964), (2290, 720904), (3664, 450565), (3716, 444260), (3880, 425482), (4580, 360452), (4645, 355408), (7432, 222130), (7760, 212741), (9160, 180226), (9290, 177704), (14864, 111065), (18320, 90113), (18580, 88852), (22213, 74320), (37160, 44426)]