51198920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 132192000

約数和(自身を除く): 80993080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 29, 38, 40, 46, 58, 76, 92, 95, 101, 115, 116, 145, 152, 184, 190, 202, 230, 232, 290, 380, 404, 437, 460, 505, 551, 580, 667, 760, 808, 874, 920, 1010, 1102, 1160, 1334, 1748, 1919, 2020, 2185, 2204, 2323, 2668, 2755, 2929, 3335, 3496, 3838, 4040, 4370, 4408, 4646, 5336, 5510, 5858, 6670, 7676, 8740, 9292, 9595, 11020, 11615, 11716, 12673, 13340, 14645, 15352, 17480, 18584, 19190, 22040, 23230, 23432, 25346, 26680, 29290, 38380, 44137, 46460, 50692, 55651, 58580, 63365, 67367, 76760, 88274, 92920, 101384, 111302, 117160, 126730, 134734, 176548, 220685, 222604, 253460, 269468, 278255, 336835, 353096, 441370, 445208, 506920, 538936, 556510, 673670, 882740, 1113020, 1279973, 1347340, 1765480, 2226040, 2559946, 2694680, 5119892, 6399865, 10239784, 12799730, 25599460, 51198920]

約数ペア:

[(1, 51198920), (2, 25599460), (4, 12799730), (5, 10239784), (8, 6399865), (10, 5119892), (19, 2694680), (20, 2559946), (23, 2226040), (29, 1765480), (38, 1347340), (40, 1279973), (46, 1113020), (58, 882740), (76, 673670), (92, 556510), (95, 538936), (101, 506920), (115, 445208), (116, 441370), (145, 353096), (152, 336835), (184, 278255), (190, 269468), (202, 253460), (230, 222604), (232, 220685), (290, 176548), (380, 134734), (404, 126730), (437, 117160), (460, 111302), (505, 101384), (551, 92920), (580, 88274), (667, 76760), (760, 67367), (808, 63365), (874, 58580), (920, 55651), (1010, 50692), (1102, 46460), (1160, 44137), (1334, 38380), (1748, 29290), (1919, 26680), (2020, 25346), (2185, 23432), (2204, 23230), (2323, 22040), (2668, 19190), (2755, 18584), (2929, 17480), (3335, 15352), (3496, 14645), (3838, 13340), (4040, 12673), (4370, 11716), (4408, 11615), (4646, 11020), (5336, 9595), (5510, 9292), (5858, 8740), (6670, 7676)]