207908080

素因数分解:

$2^4\times 5^1\times {\mathrm{691}}^1\times {\mathrm{3761}}^1$

素因数の和:4465

約数の個数: 40

約数和(自身を含む): 484214544

約数和(自身を除く): 276306464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691, 1382, 2764, 3455, 3761, 5528, 6910, 7522, 11056, 13820, 15044, 18805, 27640, 30088, 37610, 55280, 60176, 75220, 150440, 300880, 2598851, 5197702, 10395404, 12994255, 20790808, 25988510, 41581616, 51977020, 103954040, 207908080]

約数ペア:

[(1, 207908080), (2, 103954040), (4, 51977020), (5, 41581616), (8, 25988510), (10, 20790808), (16, 12994255), (20, 10395404), (40, 5197702), (80, 2598851), (691, 300880), (1382, 150440), (2764, 75220), (3455, 60176), (3761, 55280), (5528, 37610), (6910, 30088), (7522, 27640), (11056, 18805), (13820, 15044)]