12770440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 30294000

約数和(自身を除く): 17523560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 101, 109, 116, 145, 202, 218, 232, 290, 404, 436, 505, 545, 580, 808, 872, 1010, 1090, 1160, 2020, 2180, 2929, 3161, 4040, 4360, 5858, 6322, 11009, 11716, 12644, 14645, 15805, 22018, 23432, 25288, 29290, 31610, 44036, 55045, 58580, 63220, 88072, 110090, 117160, 126440, 220180, 319261, 440360, 638522, 1277044, 1596305, 2554088, 3192610, 6385220, 12770440]

約数ペア:

[(1, 12770440), (2, 6385220), (4, 3192610), (5, 2554088), (8, 1596305), (10, 1277044), (20, 638522), (29, 440360), (40, 319261), (58, 220180), (101, 126440), (109, 117160), (116, 110090), (145, 88072), (202, 63220), (218, 58580), (232, 55045), (290, 44036), (404, 31610), (436, 29290), (505, 25288), (545, 23432), (580, 22018), (808, 15805), (872, 14645), (1010, 12644), (1090, 11716), (1160, 11009), (2020, 6322), (2180, 5858), (2929, 4360), (3161, 4040)]