39790900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13721}}^1$

素因数の和:13764

約数の個数: 36

約数和(自身を含む): 89330220

約数和(自身を除く): 49539320

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 13721, 27442, 54884, 68605, 137210, 274420, 343025, 397909, 686050, 795818, 1372100, 1591636, 1989545, 3979090, 7958180, 9947725, 19895450, 39790900]

約数ペア:

[(1, 39790900), (2, 19895450), (4, 9947725), (5, 7958180), (10, 3979090), (20, 1989545), (25, 1591636), (29, 1372100), (50, 795818), (58, 686050), (100, 397909), (116, 343025), (145, 274420), (290, 137210), (580, 68605), (725, 54884), (1450, 27442), (2900, 13721)]