201280880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{859}}^1$

素因数の和:1002

約数の個数: 80

約数和(自身を含む): 489477600

約数和(自身を除く): 288196720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 101, 116, 145, 202, 232, 290, 404, 464, 505, 580, 808, 859, 1010, 1160, 1616, 1718, 2020, 2320, 2929, 3436, 4040, 4295, 5858, 6872, 8080, 8590, 11716, 13744, 14645, 17180, 23432, 24911, 29290, 34360, 46864, 49822, 58580, 68720, 86759, 99644, 117160, 124555, 173518, 199288, 234320, 249110, 347036, 398576, 433795, 498220, 694072, 867590, 996440, 1388144, 1735180, 1992880, 2516011, 3470360, 5032022, 6940720, 10064044, 12580055, 20128088, 25160110, 40256176, 50320220, 100640440, 201280880]

約数ペア:

[(1, 201280880), (2, 100640440), (4, 50320220), (5, 40256176), (8, 25160110), (10, 20128088), (16, 12580055), (20, 10064044), (29, 6940720), (40, 5032022), (58, 3470360), (80, 2516011), (101, 1992880), (116, 1735180), (145, 1388144), (202, 996440), (232, 867590), (290, 694072), (404, 498220), (464, 433795), (505, 398576), (580, 347036), (808, 249110), (859, 234320), (1010, 199288), (1160, 173518), (1616, 124555), (1718, 117160), (2020, 99644), (2320, 86759), (2929, 68720), (3436, 58580), (4040, 49822), (4295, 46864), (5858, 34360), (6872, 29290), (8080, 24911), (8590, 23432), (11716, 17180), (13744, 14645)]