202090480

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{12823}}^1$

素因数の和:13033

約数の個数: 40

約数和(自身を含む): 472282272

約数和(自身を除く): 270191792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 12823, 15760, 25646, 51292, 64115, 102584, 128230, 205168, 256460, 512920, 1025840, 2526131, 5052262, 10104524, 12630655, 20209048, 25261310, 40418096, 50522620, 101045240, 202090480]

約数ペア:

[(1, 202090480), (2, 101045240), (4, 50522620), (5, 40418096), (8, 25261310), (10, 20209048), (16, 12630655), (20, 10104524), (40, 5052262), (80, 2526131), (197, 1025840), (394, 512920), (788, 256460), (985, 205168), (1576, 128230), (1970, 102584), (3152, 64115), (3940, 51292), (7880, 25646), (12823, 15760)]