164840310400

素因数分解:

$2^7\times 5^2\times {\mathrm{127}}^1\times {\mathrm{405611}}^1$

素因数の和:405762

約数の個数: 96

約数和(自身を含む): 410414446080

約数和(自身を除く): 245574135680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 127, 128, 160, 200, 254, 320, 400, 508, 635, 640, 800, 1016, 1270, 1600, 2032, 2540, 3175, 3200, 4064, 5080, 6350, 8128, 10160, 12700, 16256, 20320, 25400, 40640, 50800, 81280, 101600, 203200, 405611, 406400, 811222, 1622444, 2028055, 3244888, 4056110, 6489776, 8112220, 10140275, 12979552, 16224440, 20280550, 25959104, 32448880, 40561100, 51512597, 51918208, 64897760, 81122200, 103025194, 129795520, 162244400, 206050388, 257562985, 259591040, 324488800, 412100776, 515125970, 648977600, 824201552, 1030251940, 1287814925, 1297955200, 1648403104, 2060503880, 2575629850, 3296806208, 4121007760, 5151259700, 6593612416, 8242015520, 10302519400, 16484031040, 20605038800, 32968062080, 41210077600, 82420155200, 164840310400]

約数ペア:

[(1, 164840310400), (2, 82420155200), (4, 41210077600), (5, 32968062080), (8, 20605038800), (10, 16484031040), (16, 10302519400), (20, 8242015520), (25, 6593612416), (32, 5151259700), (40, 4121007760), (50, 3296806208), (64, 2575629850), (80, 2060503880), (100, 1648403104), (127, 1297955200), (128, 1287814925), (160, 1030251940), (200, 824201552), (254, 648977600), (320, 515125970), (400, 412100776), (508, 324488800), (635, 259591040), (640, 257562985), (800, 206050388), (1016, 162244400), (1270, 129795520), (1600, 103025194), (2032, 81122200), (2540, 64897760), (3175, 51918208), (3200, 51512597), (4064, 40561100), (5080, 32448880), (6350, 25959104), (8128, 20280550), (10160, 16224440), (12700, 12979552), (16256, 10140275), (20320, 8112220), (25400, 6489776), (40640, 4056110), (50800, 3244888), (81280, 2028055), (101600, 1622444), (203200, 811222), (405611, 406400)]