201105820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{245251}}^1$

素因数の和:245301

約数の個数: 24

約数和(自身を含む): 432624528

約数和(自身を除く): 231518708

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 245251, 490502, 981004, 1226255, 2452510, 4905020, 10055291, 20110582, 40221164, 50276455, 100552910, 201105820]

約数ペア:

[(1, 201105820), (2, 100552910), (4, 50276455), (5, 40221164), (10, 20110582), (20, 10055291), (41, 4905020), (82, 2452510), (164, 1226255), (205, 981004), (410, 490502), (820, 245251)]