11980041520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{11981}}^1$

素因数の和:12454

約数の個数: 80

約数和(自身を含む): 28883329920

約数和(自身を除く): 16903288400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 431, 464, 580, 862, 1160, 1724, 2155, 2320, 3448, 4310, 6896, 8620, 11981, 12499, 17240, 23962, 24998, 34480, 47924, 49996, 59905, 62495, 95848, 99992, 119810, 124990, 191696, 199984, 239620, 249980, 347449, 479240, 499960, 694898, 958480, 999920, 1389796, 1737245, 2779592, 3474490, 5163811, 5559184, 6948980, 10327622, 13897960, 20655244, 25819055, 27795920, 41310488, 51638110, 82620976, 103276220, 149750519, 206552440, 299501038, 413104880, 599002076, 748752595, 1198004152, 1497505190, 2396008304, 2995010380, 5990020760, 11980041520]

約数ペア:

[(1, 11980041520), (2, 5990020760), (4, 2995010380), (5, 2396008304), (8, 1497505190), (10, 1198004152), (16, 748752595), (20, 599002076), (29, 413104880), (40, 299501038), (58, 206552440), (80, 149750519), (116, 103276220), (145, 82620976), (232, 51638110), (290, 41310488), (431, 27795920), (464, 25819055), (580, 20655244), (862, 13897960), (1160, 10327622), (1724, 6948980), (2155, 5559184), (2320, 5163811), (3448, 3474490), (4310, 2779592), (6896, 1737245), (8620, 1389796), (11981, 999920), (12499, 958480), (17240, 694898), (23962, 499960), (24998, 479240), (34480, 347449), (47924, 249980), (49996, 239620), (59905, 199984), (62495, 191696), (95848, 124990), (99992, 119810)]