51081760

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 127234800

約数和(自身を除く): 76153040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 101, 109, 116, 145, 160, 202, 218, 232, 290, 404, 436, 464, 505, 545, 580, 808, 872, 928, 1010, 1090, 1160, 1616, 1744, 2020, 2180, 2320, 2929, 3161, 3232, 3488, 4040, 4360, 4640, 5858, 6322, 8080, 8720, 11009, 11716, 12644, 14645, 15805, 16160, 17440, 22018, 23432, 25288, 29290, 31610, 44036, 46864, 50576, 55045, 58580, 63220, 88072, 93728, 101152, 110090, 117160, 126440, 176144, 220180, 234320, 252880, 319261, 352288, 440360, 468640, 505760, 638522, 880720, 1277044, 1596305, 1761440, 2554088, 3192610, 5108176, 6385220, 10216352, 12770440, 25540880, 51081760]

約数ペア:

[(1, 51081760), (2, 25540880), (4, 12770440), (5, 10216352), (8, 6385220), (10, 5108176), (16, 3192610), (20, 2554088), (29, 1761440), (32, 1596305), (40, 1277044), (58, 880720), (80, 638522), (101, 505760), (109, 468640), (116, 440360), (145, 352288), (160, 319261), (202, 252880), (218, 234320), (232, 220180), (290, 176144), (404, 126440), (436, 117160), (464, 110090), (505, 101152), (545, 93728), (580, 88072), (808, 63220), (872, 58580), (928, 55045), (1010, 50576), (1090, 46864), (1160, 44036), (1616, 31610), (1744, 29290), (2020, 25288), (2180, 23432), (2320, 22018), (2929, 17440), (3161, 16160), (3232, 15805), (3488, 14645), (4040, 12644), (4360, 11716), (4640, 11009), (5858, 8720), (6322, 8080)]