202154498540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113569943}}^1$

素因数の和:113570041

約数の個数: 24

約数和(自身を含む): 429294388320

約数和(自身を除く): 227139889780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 113569943, 227139886, 454279772, 567849715, 1135699430, 2271398860, 10107724927, 20215449854, 40430899708, 50538624635, 101077249270, 202154498540]

約数ペア:

[(1, 202154498540), (2, 101077249270), (4, 50538624635), (5, 40430899708), (10, 20215449854), (20, 10107724927), (89, 2271398860), (178, 1135699430), (356, 567849715), (445, 454279772), (890, 227139886), (1780, 113569943)]