205200280

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{4457}}^1$

素因数の和:5619

約数の個数: 32

約数和(自身を含む): 462205440

約数和(自身を除く): 257005160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 2302, 4457, 4604, 5755, 8914, 9208, 11510, 17828, 22285, 23020, 35656, 44570, 46040, 89140, 178280, 5130007, 10260014, 20520028, 25650035, 41040056, 51300070, 102600140, 205200280]

約数ペア:

[(1, 205200280), (2, 102600140), (4, 51300070), (5, 41040056), (8, 25650035), (10, 20520028), (20, 10260014), (40, 5130007), (1151, 178280), (2302, 89140), (4457, 46040), (4604, 44570), (5755, 35656), (8914, 23020), (9208, 22285), (11510, 17828)]