1207820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 2561328

約数和(自身を除く): 1353508

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 461, 524, 655, 922, 1310, 1844, 2305, 2620, 4610, 9220, 60391, 120782, 241564, 301955, 603910, 1207820]

約数ペア:

[(1, 1207820), (2, 603910), (4, 301955), (5, 241564), (10, 120782), (20, 60391), (131, 9220), (262, 4610), (461, 2620), (524, 2305), (655, 1844), (922, 1310)]