12939220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3187}}^1$

素因数の和:3232

約数の個数: 48

約数和(自身を含む): 32135040

約数和(自身を除く): 19195820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 3187, 4060, 6374, 12748, 15935, 22309, 31870, 44618, 63740, 89236, 92423, 111545, 184846, 223090, 369692, 446180, 462115, 646961, 924230, 1293922, 1848460, 2587844, 3234805, 6469610, 12939220]

約数ペア:

[(1, 12939220), (2, 6469610), (4, 3234805), (5, 2587844), (7, 1848460), (10, 1293922), (14, 924230), (20, 646961), (28, 462115), (29, 446180), (35, 369692), (58, 223090), (70, 184846), (116, 111545), (140, 92423), (145, 89236), (203, 63740), (290, 44618), (406, 31870), (580, 22309), (812, 15935), (1015, 12748), (2030, 6374), (3187, 4060)]