203984140

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{15619}}^1$

素因数の和:16281

約数の個数: 24

約数和(自身を含む): 429050160

約数和(自身を除く): 225066020

約数列:

[1, 2, 4, 5, 10, 20, 653, 1306, 2612, 3265, 6530, 13060, 15619, 31238, 62476, 78095, 156190, 312380, 10199207, 20398414, 40796828, 50996035, 101992070, 203984140]

約数ペア:

[(1, 203984140), (2, 101992070), (4, 50996035), (5, 40796828), (10, 20398414), (20, 10199207), (653, 312380), (1306, 156190), (2612, 78095), (3265, 62476), (6530, 31238), (13060, 15619)]