27779860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 61471872

約数和(自身を除く): 33692012

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 262, 460, 461, 524, 655, 922, 1310, 1844, 2305, 2620, 3013, 4610, 6026, 9220, 10603, 12052, 15065, 21206, 30130, 42412, 53015, 60260, 60391, 106030, 120782, 212060, 241564, 301955, 603910, 1207820, 1388993, 2777986, 5555972, 6944965, 13889930, 27779860]

約数ペア:

[(1, 27779860), (2, 13889930), (4, 6944965), (5, 5555972), (10, 2777986), (20, 1388993), (23, 1207820), (46, 603910), (92, 301955), (115, 241564), (131, 212060), (230, 120782), (262, 106030), (460, 60391), (461, 60260), (524, 53015), (655, 42412), (922, 30130), (1310, 21206), (1844, 15065), (2305, 12052), (2620, 10603), (3013, 9220), (4610, 6026)]